feat: notify user when sending first message in conversation on legal hold [WPB-4566]

[saleniuk]

WPB-4566 [Android] Warn users before sending a message in a conversation on LH

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PR Submission Checklist for internal contributors

• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • contains a reference JIRA issue number like SQPIT-764
  • answers the question: If merged, this PR will: ... ³

• The PR Description

  • is free of optional paragraphs and you have filled the relevant parts to the best of your ability

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What's new in this PR?

When user opens a conversation with a team member on legal hold and wants to send first message after this conversation became subject to legal hold then he/she needs to be informed about that.

Implemented logic of observing and showing proper dialog when required.

Dependencies (Optional)

Needs releases with:

• feat: notify user when sending first message in conversation on legal hold [WPB-4566] kalium#2315

Testing

Test Coverage (Optional)

• I have added automated test to this contribution

How to Test

Enable legal hold for one member and try to send a message.

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PR Post Submission Checklist for internal contributors (Optional)

• Wire's Github Workflow has automatically linked the PR to a JIRA issue

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PR Post Merge Checklist for internal contributors

• If any soft of configuration variable was introduced by this PR, it has been added to the relevant documents and the CI jobs have been updated.

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References

1. https://sparkbox.com/foundry/semantic_commit_messages
2. https://github.com/wireapp/.github#usage
3. E.g. feat(conversation-list): Sort conversations by most emojis in the title #SQPIT-764.

[github-actions]

Test Results

736 tests  +3   736 ✔️ +3   10m 6s ⏱️ +28s
101 suites ±0       0 💤 ±0 
101 files   ±0       0 ❌ ±0 

Results for commit e59e579. ± Comparison against base commit 2871638.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Attention: 11 lines in your changes are missing coverage. Please review.

Comparison is base (2871638) 41.04% compared to head (e59e579) 41.11%.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #2535      +/-   ##
=============================================
+ Coverage      41.04%   41.11%   +0.07%     
- Complexity      1118     1126       +8     
=============================================
  Files            358      358              
  Lines          13108    13121      +13     
  Branches        1712     1716       +4     
=============================================
+ Hits            5380     5395      +15     
+ Misses          7220     7215       -5     
- Partials         508      511       +3     

Files	Coverage Δ
.../ui/home/conversations/MessageComposerViewState.kt	87.50% <100.00%> (+1.78%)	⬆️
.../ui/home/conversations/MessageComposerViewModel.kt	81.00% <80.70%> (+1.52%)	⬆️

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[github-actions]

APKs built during tests are available here. Scroll down to Artifacts!

[AndroidBob]

Build 2326 succeeded.

The build produced the following APK's:

• com.wire.android-v4.6.0(8369082)(8369082)-staging-compat.apk

[github-actions]

APKs built during tests are available here. Scroll down to Artifacts!

[AndroidBob]

Build 2400 succeeded.

The build produced the following APK's:

• com.wire.android-v4.6.0(8412930)(8412930)-staging-compat.apk