fix: remove conversations title on import media screen [WPB-1860]

[github-actions]

Cherry pick from the original PR:

• fix: remove conversations title on import media screen [WPB-1860] #2108

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⚠️ Conflicts during cherry-pick:

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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

On "share media" screen, on the top of the conversation list, there is a title bar called “Conversations”. There should be no such bar as this takes up space which is needed when the keyboard is open, by tapping into the search field.

Causes (Optional)

We're reusing the same element to show conversation list.

Solutions

Make header optional, so that if it's not provided, it won't add it to the list.

Testing

How to Test

Share some media into the Wire.

Attachments (Optional)

Attachments like images, videos, etc. (drag and drop in the text box)

Before	After

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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.

[codecov]

Codecov Report

Merging #2111 (253f714) into develop (02e5794) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

@@              Coverage Diff              @@
##             develop    #2111      +/-   ##
=============================================
- Coverage      40.35%   40.35%   -0.01%     
  Complexity       956      956              
=============================================
  Files            305      305              
  Lines          11307    11308       +1     
  Branches        1516     1516              
=============================================
  Hits            4563     4563              
- Misses          6307     6308       +1     
  Partials         437      437              

Files Changed	Coverage Δ
...home/conversationslist/model/ConversationFolder.kt	0.00% <0.00%> (ø)

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[github-actions]

Test Results

555 tests  ±0   554 ✔️ ±0   6m 13s ⏱️ -16s
  80 suites ±0       1 💤 ±0 
  80 files   ±0       0 ❌ ±0 

Results for commit 253f714. ± Comparison against base commit 02e5794.

[github-actions]

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

[AndroidBob]

Build 1163 succeeded.

The build produced the following APK's:

• com.wire.android-v4.4.0(7330292)(7330292)-staging-compat.apk