Fix false positives in unused_closure_parameter

[jpsim]

When using parameters with backticks.

Fixes #3628

[sberrevoets]

Awesome 🙏🏻

[SwiftLintBot]

	1 Warning
⚠️	This PR may need tests.

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[codecov-commenter]

Codecov Report

Merging #3916 (a70ebc1) into master (d756541) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3916      +/-   ##
==========================================
- Coverage   92.55%   92.55%   -0.01%     
==========================================
  Files         437      437              
  Lines       22097    22107      +10     
==========================================
+ Hits        20452    20461       +9     
- Misses       1645     1646       +1     

Impacted Files	Coverage Δ
...mework/Rules/Lint/UnusedClosureParameterRule.swift	100.00% <100.00%> (ø)
...iftLintFramework/Extensions/String+SwiftLint.swift	89.39% <0.00%> (-1.52%)	⬇️

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