fix(typing): back handler and jumping screen typing indicator

[yamilmedina]

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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?

Issues

In the playtest session we discover

• A padding issue, that made the messages jump.
• System back handler didn't send a stop event.

Solutions

Add fixed element for ui adjustment, and make inside content displayable according to list empty or not.
Implements BackHandler in conversation screen to send the stop event.

Testing

How to Test

Receive some typing events should not make jump messages and going back to conversation list should send a stop event to other clients.

Attachments (Optional)

Screen.Recording.2023-10-13.at.16.17.00.mov

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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

644 tests  ±0   644 ✔️ ±0   5m 53s ⏱️ - 2m 10s
  93 suites ±0       0 💤 ±0 
  93 files   ±0       0 ❌ ±0 

Results for commit 33e1ddd. ± Comparison against base commit d3d6bf7.

[github-actions]

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

[vitorhugods]

thought: Not for this PR itself, but it would be best if the the ViewModel isn't commanded by the UI. i.e. instead of viewModel.sendTypingEvent it could be something like viewModel.onNavigateBack and then the ViewModel decides what should be done.

[AndroidBob]

Build 1296 succeeded.

The build produced the following APK's:

• com.wire.android-v4.5.0(7824011)(7824011)-staging-compat.apk