fix: DiskReadViolation related database check

[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

We are checking the existence of old database on main thread

Solutions

Use IO dispatcher

Needs releases with:

• GitHub link to other pull request

Testing

Test Coverage (Optional)

• I have added automated test to this contribution

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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 #2276 (eef2f6b) into develop (f65934a) will increase coverage by 0.01%.
The diff coverage is 60.00%.

@@              Coverage Diff              @@
##             develop    #2276      +/-   ##
=============================================
+ Coverage      40.50%   40.51%   +0.01%     
+ Complexity      1015     1014       -1     
=============================================
  Files            318      318              
  Lines          11665    11669       +4     
  Branches        1551     1552       +1     
=============================================
+ Hits            4725     4728       +3     
  Misses          6496     6496              
- Partials         444      445       +1     

Files	Coverage Δ
...lin/com/wire/android/migration/MigrationManager.kt	41.88% <60.00%> (+0.70%)	⬆️

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[github-actions]

Test Results

623 tests  ±0   622 ✔️ ±0   4m 49s ⏱️ - 2m 25s
  89 suites ±0       1 💤 ±0 
  89 files   ±0       0 ❌ ±0 

Results for commit eef2f6b. ± Comparison against base commit f65934a.

[github-actions]

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

[AndroidBob]

Build 1021 succeeded.

The build produced the following APK's:

• com.wire.android-v4.5.0(7685166)(7685166)-staging-compat.apk