fix: register new client if local crypto files are missing

[MohamadJaara]

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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 some very rare cases (it happened only 2 times) the app will have a client id, but local crypto files are missing

Causes (Optional)

Unknown, I was able to reproduce the same stack trace by manually deleting the files

Solutions

change NeedsToRegisterClientUseCase to return true if local files are missing

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Testing

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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

   271 files   - 103     271 suites   - 103   8s ⏱️ - 1m 43s
1 372 tests  - 618  1 341 ✔️  - 567  31 💤  - 51  0 ❌ ±0 

Results for commit 1f45b7c. ± Comparison against base commit ff57c9e.

♻️ This comment has been updated with latest results.

[codecov-commenter]

Codecov Report

Merging #1726 (0378401) into develop (a2009fd) will increase coverage by 0.00%.
The diff coverage is 85.71%.

@@            Coverage Diff             @@
##             develop    #1726   +/-   ##
==========================================
  Coverage      53.20%   53.21%           
  Complexity      1513     1513           
==========================================
  Files            948      948           
  Lines          34833    34838    +5     
  Branches        3043     3043           
==========================================
+ Hits           18534    18539    +5     
  Misses         15073    15073           
  Partials        1226     1226