fix: Talisman configuration

[michael-s-molina]

SUMMARY

#21874 introduced a CSP check for production environments but ended up making the Talisman configuration dependent on the CONTENT_SECURITY_POLICY_WARNING key. This PR fixes this by loading Talisman values independently of the CSP warning.

TESTING INSTRUCTIONS

1 - Play with Talisman configurations
2 - Check that the Talisman configurations are applied independently of the CSP warning

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

Merging #22591 (940a476) into master (82b0c23) will increase coverage by 9.56%.
The diff coverage is 83.33%.

❗ Current head 940a476 differs from pull request most recent head 9d8754a. Consider uploading reports for the commit 9d8754a to get more accurate results

@@            Coverage Diff             @@
##           master   #22591      +/-   ##
==========================================
+ Coverage   55.91%   65.48%   +9.56%     
==========================================
  Files        1859     1859              
  Lines       71019    71020       +1     
  Branches     7766     7766              
==========================================
+ Hits        39710    46504    +6794     
+ Misses      29287    22494    -6793     
  Partials     2022     2022              

Flag	Coverage Δ
hive	?
postgres	78.07% <83.33%> (?)
presto	?
python	78.14% <83.33%> (+19.98%)	⬆️
sqlite	76.44% <83.33%> (?)
unit	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
superset/initialization/__init__.py	89.76% <83.33%> (-1.30%)	⬇️
superset/db_engines/hive.py	0.00% <0.00%> (-85.19%)	⬇️
...set/advanced_data_type/plugins/internet_address.py	16.32% <0.00%> (-79.60%)	⬇️
superset/utils/pandas_postprocessing/boxplot.py	20.51% <0.00%> (-79.49%)	⬇️
superset/charts/post_processing.py	11.76% <0.00%> (-77.95%)	⬇️
...perset/advanced_data_type/plugins/internet_port.py	18.75% <0.00%> (-77.09%)	⬇️
superset/utils/pandas_postprocessing/rolling.py	21.87% <0.00%> (-68.75%)	⬇️
...perset/utils/pandas_postprocessing/contribution.py	34.61% <0.00%> (-65.39%)	⬇️
superset/utils/pandas_postprocessing/resample.py	37.50% <0.00%> (-62.50%)	⬇️
superset/utils/pandas_postprocessing/select.py	38.46% <0.00%> (-61.54%)	⬇️
... and 325 more

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[dpgaspar]

would be nice if we could add a test to assert the config independence