No marking for current INBOX subfolder, bug for marking current message in message list

[s-rosenfeld]

Steps to reproduce

1. Login to nextcloud
2. Click to Mail icon
3. Click to triangle left of INBOX
4. Clicks between INBOX forders

Expected behaviour

Convinient marking for current mail folder, convinient marking for current message in a folder.

Actual behaviour

No marking for current mail folder. Two or more marked messages in message list as current message.

Mail app

Mail app version: 0.7.0

Mailserver or service: mail.more-pizza.com

Transport security - IMAP: SSL

Transport security - SMTP: SSL

Number of accounts: 1

Mail app version build date:

Server configuration

Operating system: Ubuntu Server 16.04 LTS

Web server: Apache 2.4.18

Database: MariaDB 10.0.31

PHP version: 7.0.22

Version: Nextcloud 12.0.2

Updated from an older version or fresh install: fresh install

List of activated apps:

If you have access to your command line run e.g.:
sudo -u www-data php occ app:list
from within your server installation folder

root@cloud:/var/www/nextcloud# sudo -u www-data php occ app:list
Enabled:

• activity: 2.5.2
• admin_notifications: 1.0.0
• bruteforcesettings: 1.0.2
• calendar: 1.5.3
• comments: 1.2.0
• contacts: 1.5.3
• dav: 1.3.0
• federatedfilesharing: 1.2.0
• federation: 1.2.0
• files: 1.7.2
• files_pdfviewer: 1.1.1
• files_sharing: 1.4.0
• files_texteditor: 2.4.1
• files_trashbin: 1.2.0
• files_versions: 1.5.0
• files_videoplayer: 1.1.0
• firstrunwizard: 2.1
• gallery: 17.0.0
• logreader: 2.0.0
• lookup_server_connector: 1.0.0
• mail: 0.7.0
• nextcloud_announcements: 1.1
• notifications: 2.0.0
• oauth2: 1.0.5
• password_policy: 1.2.2
• provisioning_api: 1.2.0
• serverinfo: 1.2.0
• sharebymail: 1.2.0
• survey_client: 1.0.0
• systemtags: 1.2.0
• tasks: 0.9.5
• theming: 1.3.0
• twofactor_backupcodes: 1.1.1
• updatenotification: 1.2.0
• workflowengine: 1.2.0
  Disabled:
• admin_audit
• encryption
• files_external
• onlyoffice
• richdocuments
• spreed
• user_external
• user_ldap

The content of config/config.php:

``` If you have access to your command line run e.g.: sudo -u www-data php occ config:list system from within your Nextcloud installation folder

or

Insert your config.php content here
Make sure to remove all sensitive content such as passwords. (e.g. database password, passwordsalt, secret, smtp password, …)

{
    "system": {
        "instanceid": "ocp6h5ni0gmn",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "cloud.vpn",
            "192.168.22.5",
            "cloud.more-pizza.com"
        ],
        "datadirectory": "\/d\/nextcloud_data",
        "overwrite.cli.url": "http:\/\/cloud.vpn\/nextcloud",
        "dbtype": "mysql",
        "version": "12.0.2.0",
        "dbname": "nextcloud",
        "dbhost": "localhost:3306",
        "dbport": "",
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "memcache.local": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "\/var\/run\/redis\/redis.sock",
            "port": 0,
            "dbindex": 0,
            "password": "***REMOVED SENSITIVE VALUE***",
            "timeout": 1.5
        },
        "mail_from_address": "cloud",
        "mail_smtpmode": "php",
        "mail_smtpauthtype": "LOGIN",
        "mail_domain": "more-pizza.com",
        "maintenance": false
    }
}

</details>

#### Client configuration
**Browser:** Chromium Version 60.0.3112.78 (Developer Build) Built on Ubuntu

**Operating system:** Kubuntu Desktop 
![spectacle kx8368](https://user-images.githubusercontent.com/12949115/29709884-38410290-899f-11e7-91ea-cd4761d8ac2e.png)
16.0.4 LTS

#### Logs
##### Web server error log

Insert your webserver log here

##### Server log (data/nextcloud.log)
<details>

Insert your server log here

</details>

##### Horde IMAP log (data/horde_imap.log)
<details>

Insert your horde IMAP log here, see https://github.com/nextcloud/mail#debug-mode

</details>

##### Horde SMTP log (data/horde_smtp.log)
<details>

Insert your horde SMTP log here, see https://github.com/nextcloud/mail#debug-mode

</details>

##### Browser log
<details>

Insert your browser log here, this could for example include:

a) The javascript console log
b) The network log
c) ...

</details>

[lock]

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