Add lexicon entries for BrickCommentsUpdate, BrowserActionRestrictedUrl, and CustomUserEvent

[mnholtz]

What does this PR do?

• Part of Complete LexiconMap entries #9151

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.83%. Comparing base (8318d74) to head (e8a9569).
Report is 337 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9230      +/-   ##
==========================================
+ Coverage   74.24%   74.83%   +0.58%     
==========================================
  Files        1332     1367      +35     
  Lines       40817    42197    +1380     
  Branches     7634     7893     +259     
==========================================
+ Hits        30306    31577    +1271     
- Misses      10511    10620     +109     

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[github-actions]

Playwright test results

 127 passed
 7 flaky
 4 skipped

Details

 Open report ↗︎
 138 tests across 45 suites
 18 hours, 16 minutes, 46 seconds
 e8a9569
 For more information on how to debug and view this report, see our readme

Flaky tests

msedge-setup › setup/affiliated.setup.ts › authenticate with affiliated user
chrome › tests/pageEditor/addStarterBrick.spec.ts › Add starter brick to mod
msedge › tests/pageEditor/addStarterBrick.spec.ts › Add starter brick to mod
msedge › tests/pageEditor/brickActions.spec.ts › brick actions panel behavior
msedge › tests/pageEditor/copyMod.spec.ts › run a copied mod with a built-in integration
chrome › tests/runtime/sidebar/sidebarController.spec.ts › sidebar controller › prevents host page styles from leaking into dialog
msedge › tests/workshop/createMod.spec.ts › can create a new mod from a yaml definition and update it

Skipped tests

chrome › tests/regressions/doNotCloseSidebarOnPageEditorSave.spec.ts › #8104: Do not automatically close the sidebar when saving in the Page Editor
msedge › tests/regressions/doNotCloseSidebarOnPageEditorSave.spec.ts › #8104: Do not automatically close the sidebar when saving in the Page Editor
chrome › tests/runtime/googleSheetsIntegration.spec.ts › can activate a google spreadsheet mod with config options
msedge › tests/runtime/googleSheetsIntegration.spec.ts › can activate a google spreadsheet mod with config options

[github-actions]

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