Show encryption authenticity warnings on messages in the timeline.

[pixlwave]

Now that the feature is available on Android, we can remove the feature flag on iOS.

[github-actions]

	Warnings
⚠️	Some of the commits are missing ticket numbers. Please consider squashing all commits that don't have a tracking number.
⚠️	You seem to have made changes to views. Please consider adding screenshots.

Generated by 🚫 Danger Swift against 981e79f

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 77.82%. Comparing base (ebf7c00) to head (981e79f).
Report is 2 commits behind head on develop.

Files	Patch %	Lines
...meline/TimelineItems/RoomTimelineItemFactory.swift	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3180      +/-   ##
===========================================
- Coverage    77.86%   77.82%   -0.04%     
===========================================
  Files          716      716              
  Lines        56461    56448      -13     
===========================================
- Hits         43961    43931      -30     
- Misses       12500    12517      +17     

Flag	Coverage Δ
unittests	68.35% <0.00%> (-0.08%)	⬇️

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