WT-514 - Anonym Pages In CMS

[dchukhin]

If this changeset needs to go into the FXC codebase, please add the WMO and FXC label.

One-line summary

This pull request makes it possible to create anonym pages in Wagtail.

Significant changes and points to review

• bedrock now uses the wagtail-thumbnail-choice-block library
• bedrock/mozorg/models.py now has an AnonymIndexPage
• bedrock/mozorg/blocks/anonym.py has a number of blocks that can be used on the AnonymIndexPage
• bedrock/mozorg/templates/mozorg/cms/anonym/blocks/ has template files for the new blocks
• media/css/mozorg/anonym.scss has CSS for the anonym pages. Right now, it's just mostly icon classes mapped to their URLs, which can be moved to a different file in the future
• Anonym Part 2: Top & Bottom Page In CMS #16961
• Anonym Part 3: Content Page In CMS #16962
• Anonym Part 4: Navigation #16964
• Anonym Part 5: About Page #16965
• Anonym Part 6: Static Pages #16967
• Anonym Part 7: Article Page #16968
• Anonym Part 8: More Changes #16969
• WT-514 Anonym CSS #16966
• Anonym Part 9: Anonym Directory #16989
• Anonym Part 10: Custom Table Component #16990
• Anonym Part 11: Backend Updates #17003
• Anonym Part 12: Wagtail Dependencies #17005
• Anonym Part 13: Test Fixtures #17008

Issue / Bugzilla link

WT-514

Testing

1. log in to Wagtail
2. choose to create a new page, and choose an Anonym Index Page
3. create other anonym pages
4. create the page to match the figma designs from the JIRA ticket

[codecov]

Codecov Report

❌ Patch coverage is 80.33033% with 131 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.29%. Comparing base (2070625) to head (abd2896).

Files with missing lines	Patch %	Lines
bedrock/anonym/fixtures/page_fixtures.py	10.47%	94 Missing ⚠️
...anonym/management/commands/load_anonym_fixtures.py	0.00%	21 Missing ⚠️
bedrock/anonym/fixtures/block_fixtures.py	77.77%	10 Missing ⚠️
bedrock/sitemaps/utils.py	0.00%	4 Missing ⚠️
bedrock/anonym/blocks.py	99.29%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #16958      +/-   ##
==========================================
- Coverage   81.42%   81.29%   -0.14%     
==========================================
  Files         162      171       +9     
  Lines        8474     9108     +634     
==========================================
+ Hits         6900     7404     +504     
- Misses       1574     1704     +130     

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