no cogwheel response: TypeError: null is not an object (evaluating 'n.cssRules')

[Mariusthvdb]

Describe the bug
A clear and concise description of what the bug is.

when clicking the cogwheel to go to the settings of eg an input_select:

the response is:

which is somewhat unexplained, as custom-more-info does not hide the settings at all?

Debug JSON from Inspector

{
    "hide_history": true,
    "hide_logbook": true,
    "hide_header_history_icon": true
}

Custom-more-info Version:
1.1.0

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

this is in inspector

Dom Path of attributes dropdown box
Always include screenshot to the path of the attributes that error
We cant help you without that exact info

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

The custom-more-info configuration

##########################################################################################
# Custom attributes configuration settings                                               #
# use a config per Dashboard, and add it to the root of the yaml file like               #
#                                                                                        #
#      ############################################################################      #
#      # title: Your Dashboard title                                              #      #
#      #                                                                          #      #
#      # button_card_templates: !include_dir_merge_named ../button_card_templates #      #
#      # decluttering_templates: !include_dir_named ../decluttering_templates     #      #
#      # kiosk_mode: !include ../kiosk-mode/kiosk-mode.yaml                       #      #
#      # custom_attributes: !include ../custom_attributes/custom_attributes.yaml  #      #
#      #                                                                          #      #
#      # views:                                                                   #      #
#      #   - !include view_home.yaml                                              #      #
#      #   - !include view_number_two                                             #      #
#      #   - etc                                                                  #      #
#      ############################################################################      #
#                                                                                        #
##########################################################################################

# use the available 'debug' paramater if a filter does not work and you need to report
# malfunctioning to the issue tracker.

debug: true
auto_hide_header_history_icon: true

hide_header_history_icon:

  by_entity_id:
    - sun.sun

hide_history_logbook:

  by_domain:
    - alarm_control_panel
    - alert
    - automation
  #  - binary_sensor
    - button
    - camera
    - climate
    - counter
    - cover
  #  - device_tracker
  #  - event
    - fan
    - geo_location
    - group
    - image
    - input_boolean
    - input_button
    - input_datetime
    - input_number
    - input_select
    - input_text
    - light
    - media_player
    - number
  #  - person
    - proximity
    - remote
    - scene
    - script
    - select
  #  - sensor
    - siren
    - sun
  #  - switch
    - text
    - timer
    - update
    - weather
    - zone

#     by_entity_id:
#       -

  by_device_class:
    - battery
    - sound

#     by_glob:
#       -
#
# unhide_history_logbook:
#
#     by_entity_id:
#       -
#
#     by_domain:
#       -
#
#     by_device_class:
#       -
#
#     by_glob:
#       -

hide_history:
  by_entity_id:
     - binary_sensor.ongemeten_verbruik_te_hoog
     - sensor.ha_main_config
     - sensor.buienradar_iungo_winddirection
     - sensor.buienradar_iungo_locatie

#   by_domain:
#     - input_select
#     - select
#     - input_boolean
#     - number
#     - input_number
#     - siren

#   by_device_class:
#     - sound
#     - battery

  by_glob:
    - 'sensor.knmi*'
    - 'sensor.tomorrow*'
#     - 'siren.*'
#     - 'input_number.*'
    - 'sensor.afvalwijzer*'
    - 'sensor.awair_element_*'
    - 'sensor.distance_*'
    - 'sensor.*_naar_huis_duration'


unhide_history:

  by_entity_id:
    - sensor.tomorrow_cloud_cover
    - sensor.knmi_gevoelstemperatuur
    - sensor.awair_element_humidity
    - sensor.awair_element_carbon_dioxide

#   by_domain:
#     - some_domain
#     - some_domain
#
#   by_device_class:
#     - some_device_class
#     - some_device_class
#
#   by_glob:
#     - some_glob
#     - some_glob

hide_logbook:

  by_entity_id:
    - binary_sensor.ongemeten_verbruik_te_hoog
    - binary_sensor.power_using_off_switches

#   by_domain:
#     - input_select
#     - select
#     - input_boolean
#     - number
#     - device_tracker

  by_device_class:
    - sound

#   by_glob:
#     - '*_over*_detected'

# unhide_logbook:
#
#   by_entity_id:
#     - some_entity
#     - some_entity
#
#   by_domain:
#     - some_domain
#     - some_domain
#
#   by_device_class:
#     - some_device_class
#     - some_device_class
#
#   by_glob:
#     - some_glob
#     - some_glob

##########################################################################################
# Unfilter                                                                               #
##########################################################################################

#special boolean setting for all
# unfilter_all: true #/ false

unfilter_attributes:

  by_domain:

    zone:
      - persons

    device_tracker:
      - ip
      - mac
      - ap_mac

# # filtered by Home Assistant by default
#     binary_sensor:
#       - device_class
#
#     sensor:
#       - device_class

# filtered by User in the filter_attributes
  by_glob:

    'sensor.afvalwijzer*':
      - days_until_collection_date
      - is_collection_date_today
      - is_collection_date_tomorrow
      - is_collection_date_day_after_tomorrow

#     'device_tracker.google*':
#       - ip
#       - mac
#       - ap_mac

##########################################################################################
# Filter                                                                                 #
##########################################################################################

#special boolean setting for all
# filter_all: true

filter_attributes:

  by_glob:

    '*.*':
      - templates
      - icon_color
      - id

# filter all atributes on all entities
#       - all

# first filter 'all' in glob, then unfilter only what user needs in the unfilter section
#     'device_tracker.google*':
#       - all
#     'device_tracker.heater_*':
#       - all
#
#     'sensor.ha_*_version':
#       - all

    'sensor.buienradar_*':
      - Stationname

    'sensor.*_actueel': &meter # use a yaml anchor to easily c&p repetitive attributes
      - meter_type
      - meter_type_name

    'sensor.*_totaal': *meter

    'sensor.*_amperage': *meter

    'sensor.*_voltage': *meter

    'group.*trackers':
      - all

    'sensor.afvalwijzer*':
      - all

# test for custom-ui templates
#     'sensor.*_battery_state':
#       - templates

  by_device_class:

    enum:
      - options

    running: # used for threshold entities
      - all

  by_domain:

    zone:
      - all

    device_tracker:
      - all
#     binary_sensor:
#       - hysteresis

    light:
      - all

    siren:
      - available_tones

  by_entity_id:

    sensor.cpu_speed:
      - brand
      - arch

    sensor.schimmel_sensor:
      - all

    group.media_players_device_trackers:
      - all

    group.hub_device_trackers:
      - all

Additional context
Add any other context about the problem here.
Disabling custom-more-info brings it all back:

and settings:

[elchininet]

@Mariusthvdb,
Check if you get the same with the latest version merged into master.
We can sync to make a release if there are no issues.

[Mariusthvdb]

seems to behave better now. First (very short) glimpse is still a bit empty, but then immediately follows through with the full card