Require acknowledgement to send to verified users who have unsigned devices or have changed their identity.

[pixlwave]

This PR makes the following changes:

• Build clients with the requirements to fail when sending to once verified users who aren't (fully) verified any more
• Show a description of the send failures for verified users in the TimelineItemMenu
• Add a new sheet to resolve failures for verified users by tapping on the description above, or by tapping on the failure in the timeline.
• If there is more than one user ID in the failure, the sheet iterates through them 1 by 1, resolving each one and then dismissing itself at the end.

Closes #3159.
Closes #3160.

[github-actions]

	Warnings
⚠️	This pull request seems relatively large. Please consider splitting it into multiple smaller ones.
⚠️	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 87b5d16

[CLAassistant]

All committers have signed the CLA.

[stefanceriu]

Veery nice! 👌

[sonarcloud]

Quality Gate passed

Issues
1 New issue
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 48.69281% with 157 lines in your changes missing coverage. Please review.

Project coverage is 43.87%. Comparing base (1a3378f) to head (87b5d16).
Report is 3 commits behind head on develop.

Files with missing lines	Patch %	Lines
...eVerifiedUserSendFailureScreenViewModelTests.swift	0.00%	58 Missing ⚠️
...esolveVerifiedUserSendFailureScreenViewModel.swift	40.00%	33 Missing ⚠️
...Sources/FlowCoordinators/RoomFlowCoordinator.swift	0.00%	22 Missing ⚠️
...olveVerifiedUserSendFailureScreenCoordinator.swift	0.00%	19 Missing ⚠️
...en/View/ResolveVerifiedUserSendFailureScreen.swift	84.00%	8 Missing ⚠️
...X/Sources/Screens/RoomScreen/View/RoomScreen.swift	0.00%	4 Missing ⚠️
...eens/Timeline/View/ItemMenu/TimelineItemMenu.swift	91.11%	4 Missing ⚠️
...Screen/PinnedEventsTimelineScreenCoordinator.swift	0.00%	3 Missing ⚠️
...X/Sources/Screens/Timeline/TimelineViewModel.swift	0.00%	3 Missing ⚠️
...ces/Screens/RoomScreen/RoomScreenCoordinator.swift	0.00%	2 Missing ⚠️
... and 1 more

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3215      +/-   ##
===========================================
- Coverage    43.87%   43.87%   -0.01%     
===========================================
  Files          723      728       +5     
  Lines        59406    59677     +271     
===========================================
+ Hits         26063    26181     +118     
- Misses       33343    33496     +153     

Flag	Coverage Δ
unittests	36.38% <48.69%> (+0.04%)	⬆️

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