fix: group messages date | design changes (WPB-1733) 🍒

[github-actions]

WPB-1733 Timestamps – grouping functionality for dates

This PR was automatically cherry-picked based on the following PR:

• fix: group messages date | design changes (WPB-1733) #2980

Original PR description:

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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

• Edge case when message is the first and only message
• Edge case when its the last message
• Design on divider margins

Solutions

• Some design changes (margin on divider)
• Addition of edge case when its only 1 message or the last message
• Addition of 45min gap handling
• Remove date from the right side of Message Item (instead of [date|time] -> [time])

Dependencies (Optional)

Needs releases with:

• feat: group message dates functionality (WPB-1733) #2878
• feat: grouping message dates (WPB-1733) #2964

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 8.33333% with 11 lines in your changes are missing coverage. Please review.

Project coverage is 44.29%. Comparing base (377f600) to head (48f899d).
Report is 3 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2987      +/-   ##
===========================================
+ Coverage    44.19%   44.29%   +0.09%     
===========================================
  Files          444      444              
  Lines        14476    14488      +12     
  Branches      2489     2492       +3     
===========================================
+ Hits          6398     6417      +19     
+ Misses        7386     7373      -13     
- Partials       692      698       +6     

Files	Coverage Δ
...e/android/ui/home/conversations/model/UIMessage.kt	51.31% <0.00%> (-0.31%)	⬇️
.../main/kotlin/com/wire/android/util/DateTimeUtil.kt	69.09% <9.09%> (-6.15%)	⬇️

... and 3 files with indirect coverage changes

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[github-actions]

Test Results

927 tests   927 ✅  13m 41s ⏱️
123 suites    0 💤
123 files      0 ❌

Results for commit 48f899d.

[github-actions]

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

[AndroidBob]

Build 4676 succeeded.

The build produced the following APK's:

• com.wire.android-v4.8.0(9619126)(9619126)-staging-compat.apk