fix: closing keyboard or back pressing when editing a message

[AndroidBob]

Cherry pick from the original PR:

• fix: closing keyboard or back pressing when editing a message #2463

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⚠️ Conflicts during cherry-pick:
kalium

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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
  • 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

When during a message edit, if user hides a keyboard or pressed back button then composer ends up in a wrong state where + button is available but it's still in editing mode.

Solutions

Do not show + button when editing, even if keyboard is closed and handle back press to close editing mode.

Testing

How to Test

Open conversation, start editing a message and close keyboard or press back.

Attachments (Optional)

Before	After
edit_back_before.mp4	edit_back_after.mp4

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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. .

[github-actions]

Test Results

694 tests  ±0   694 ✔️ ±0   6m 24s ⏱️ -19s
  98 suites ±0       0 💤 ±0 
  98 files   ±0       0 ❌ ±0 

Results for commit e969e55. ± Comparison against base commit 8dd2521.

♻️ This comment has been updated with latest results.

[github-actions]

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

[AndroidBob]

Build 1981 succeeded.

The build produced the following APK's:

• com.wire.android-v4.6.0(8185306)(8185306)-staging-compat.apk