fix(e2ei): crash on downloading certificates (WPB-9097) 🍒

[github-actions]

WPB-9097 [Android] App crashing when viewing own or another users certificate

This PR was automatically cherry-picked based on the following PR:

• fix(e2ei): crash on downloading certificates (WPB-9097) #2760

Original PR description:

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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?

Adding serialisation annotation to serialisable classes.

Issues

Was missing for android navigation arguments.

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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

---

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

3 046 tests   2 941 ✔️  3m 13s ⏱️
   529 suites     105 💤
   529 files           0 ❌

Results for commit 93705d3.

♻️ This comment has been updated with latest results.

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[datadog-wireapp]

Datadog Report

Branch report: fix/download-cert-cherry-pick
Commit report: 76a3278
Test service: kalium-jvm

✅ 0 Failed, 272 Passed, 13 Skipped, 3.22s Total Time