fix: Deleted thread not being displayed correctly in thread context

Merged
DO
3mo ago
+210-82

Proposed changes (including videos or screenshots)

before

image Screenshot 2026-07-20 at 18 24 21

after

image image

Issue(s)

Steps to test or reproduce

Further comments

CORE-2414

Summary by CodeRabbit

  • Bug Fixes
    • Fixed deleted thread messages with no content appearing blank; they now show the localized “message removed” label consistently across thread and discussion views.
    • Deleted messages that still contain content continue to display their normalized content.
    • Thread titles now use localized formatting with correct capitalization.
  • Localization
    • Updated “removed message” translation keys to support consistent casing in the UI.
  • Tests
    • Expanded unit coverage for localization-aware normalization and removed-message/title rendering scenarios.