fix: failure to parse lack of supported protocols

[vitorhugods]

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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
  • 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

Exception during parsing of SupportedProtocol:

java.lang.IllegalArgumentException: No enum constant com.wire.kalium.persistence.dao.SupportedProtocolEntity.

Causes

We're not considering the possibility of empty string ""

Solutions

Return emptySet() when the string is empty. This means that the client has not set supported protocols for a user yet.

Testing

Test Coverage

• I have added automated test to this contribution

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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

0 files  0 suites   0s ⏱️
0 tests 0 ✔️ 0 💤 0 ❌

Results for commit 8c64831.

♻️ This comment has been updated with latest results.

[datadog-wireapp]

Datadog Report

All test runs ab63661 🔗

✅ 2 Total Test Services: 0 Failed, 0 with New Flaky, 2 Passed

Test Services

Service Name	Failed	Known Flaky	New Flaky	Passed	Skipped	Wall Time	Branch View
kalium-ios	0	0	0	2136	66	7m 20.1s	Link
kalium-jvm	0	0	0	2456	104	13m 24s	Link

[codecov-commenter]

Codecov Report

Merging #2167 (3c9f93c) into develop (872981a) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             develop    #2167   +/-   ##
==========================================
  Coverage      57.88%   57.89%           
  Complexity        21       21           
==========================================
  Files           1059     1059           
  Lines          40190    40192    +2     
  Branches        3722     3722           
==========================================
+ Hits           23265    23268    +3     
  Misses         15314    15314           
+ Partials        1611     1610    -1     

Files	Coverage Δ
...persistence/adapter/SupportedProtocolSetAdapter.kt	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

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