fix: set default value of camera for incoming calls (WPB-1712) (RC)

[ohassine]

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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

Same PR as #1880 to be merged into RC branch

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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]

Unit Test Results

   363 files     363 suites   21s ⏱️
1 934 tests 1 818 ✔️ 116 💤 0 ❌

Results for commit 42b5cdc.

♻️ This comment has been updated with latest results.

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (release/candidate@211ae8a). Click here to learn what that means.
The diff coverage is n/a.

@@                 Coverage Diff                  @@
##             release/candidate    #1881   +/-   ##
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  Coverage                     ?   54.38%           
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  Branches                     ?     3194           
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  Hits                         ?    19464           
  Misses                       ?    15036           
  Partials                     ?     1289           

[tmspzz]

See comment about AVS