fix(migration): pick one-on-one proteus conversation in alphabetically order for MLS migration (WPB-10259)

[mchenani]

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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

Based on Product agreement, if the user has multiple Proteus conversation, during the migration we must pick the first one in alphabetically order.

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.

[github-actions]

Test Results

2 918 tests   2 900 ✔️  12m 43s ⏱️
       7 suites       18 💤
       7 files           0 ❌

Results for commit e76dd4b.

♻️ This comment has been updated with latest results.

[datadog-wireapp]

Datadog Report

All test runs d321269 🔗

✅ 2 Total Test Services: 0 Failed, 2 Passed

Test Services

Service Name	Failed	Known Flaky	New Flaky	Passed	Skipped	Total Time	Test Service View
kalium-ios	0	0	0	2805	123	1.62s	Link
kalium-jvm	0	0	0	2956	107	5.62s	Link

[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 SonarCloud