fix: persist mls conversation when mls disabled [WPB-15149]

[Garzas]

WPB-15149 App is stuck after MLS migration

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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

MLS conversations was not saved if MLS was disabled, causing further message migration fail.

Solutions

Instead of not saving MLS conversations we save them but with GroupState.PENDING_JOIN state to trigger migration when MLS will be enabled

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

Test Results

3 349 tests  ±0   3 241 ✅ ±0   5m 21s ⏱️ -27s
  572 suites ±0     108 💤 ±0 
  572 files   ±0       0 ❌ ±0 

Results for commit f9577a4. ± Comparison against base commit 7f1da82.

♻️ This comment has been updated with latest results.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 72.41379% with 8 lines in your changes missing coverage. Please review.

Project coverage is 54.16%. Comparing base (7f1da82) to head (f9577a4).

Files with missing lines	Patch %	Lines
.../logic/data/conversation/ConversationRepository.kt	79.16%	4 Missing and 1 partial ⚠️
...lium/logic/data/conversation/ConversationMapper.kt	50.00%	0 Missing and 2 partials ⚠️
...persistence/dao/conversation/ConversationEntity.kt	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@                  Coverage Diff                  @@
##           release/candidate    #3205      +/-   ##
=====================================================
- Coverage              54.16%   54.16%   -0.01%     
=====================================================
  Files                   1250     1250              
  Lines                  36504    36508       +4     
  Branches                3699     3696       -3     
=====================================================
+ Hits                   19772    19774       +2     
- Misses                 15302    15306       +4     
+ Partials                1430     1428       -2     

Files with missing lines	Coverage Δ
...persistence/dao/conversation/ConversationEntity.kt	98.41% <0.00%> (ø)
...lium/logic/data/conversation/ConversationMapper.kt	58.15% <50.00%> (ø)
.../logic/data/conversation/ConversationRepository.kt	62.05% <79.16%> (+0.30%)	⬆️

... and 2 files with indirect coverage changes

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[datadog-wireapp]

Datadog Report

Branch report: fix/persist-mls-conversation
Commit report: 54d1f7a
Test service: kalium-jvm

✅ 0 Failed, 3241 Passed, 108 Skipped, 1m 2.93s Total Time

[borichellow]

Basically looks good, but maybe some tests for that scenario? :)