refactor: reduce match statement into an if-let statement

[deepsource-autofix]

match statements with only one useful arm can be reduced to an if let statement.
This helps improve readability, an if let statement nests lesser than a match.

[deepsource-io]

Here's the code health analysis summary for commits 256c598..e09c3f3. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Rust	❌ Failure	❗ 2 occurences introduced 🎯 12 occurences resolved	View Check ↗

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