refactor(transformer): use FormalParameter::has_modifier to detect parameter properties

[ulrichstark]

By using this function, the code is shorter and aligns with the changes of the original PR.

This PR is the result of splitting #10081 into smaller PRs.

[graphite-app]

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[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #10099 will not alter performance

_{Comparing ulrichstark:use-formalparameter-hasmodifier-in-transformer (62fdc74) with main (59b855f)}

Summary

✅ 33 untouched benchmarks

[Dunqing]

BTW, I think this PR and #10097, and #10098 should merge into one because their purposes are the same, just for "shorten code by using FormalParameter::has_modifier". But anyway, maybe I am okay merging these PRs. Thank you for your work!