fix(linter): fix false positive detection in no-unused-private-class-members

[huangtiandi1999]

Fixes #13628

[graphite-app]

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[Copilot]

Pull Request Overview

Fixes a false positive in the no-unused-private-class-members ESLint rule where private class members used in spread operations were incorrectly flagged as unused.

• Added AstKind::SpreadElement(_) to the value context detection
• Added a test case to verify private members used in spread operations are not flagged as unused

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[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #13634 will not alter performance

_{Comparing huangtiandi1999:fix/linter/no-unused-private-class (6e1c7ad) with main (bf50a02)}

Summary

✅ 9 untouched benchmarks
🆕 28 new benchmarks

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
🆕	formatter[RadixUIAdoptionSection.jsx]	N/A	568.9 µs	N/A
🆕	formatter[binder.ts]	N/A	22.6 ms	N/A
🆕	formatter[cal.com.tsx]	N/A	207.1 ms	N/A
🆕	formatter[react.development.js]	N/A	11.5 ms	N/A
🆕	lexer[RadixUIAdoptionSection.jsx]	N/A	20 µs	N/A
🆕	lexer[binder.ts]	N/A	870.1 µs	N/A
🆕	lexer[cal.com.tsx]	N/A	5.3 ms	N/A
🆕	lexer[react.development.js]	N/A	356.8 µs	N/A
🆕	linter[RadixUIAdoptionSection.jsx]	N/A	2.4 ms	N/A
🆕	linter[binder.ts]	N/A	141.9 ms	N/A
🆕	linter[cal.com.tsx]	N/A	1.2 s	N/A
🆕	linter[react.development.js]	N/A	50.3 ms	N/A
🆕	mangler[RadixUIAdoptionSection.jsx]	N/A	11.5 µs	N/A
🆕	mangler[binder.ts]	N/A	733.7 µs	N/A
🆕	mangler[cal.com.tsx]	N/A	2.8 ms	N/A
🆕	mangler[react.development.js]	N/A	259.3 µs	N/A
🆕	minifier[binder.ts]	N/A	3.8 ms	N/A
🆕	minifier[cal.com.tsx]	N/A	31 ms	N/A
🆕	minifier[react.development.js]	N/A	2.4 ms	N/A
🆕	semantic[RadixUIAdoptionSection.jsx]	N/A	77.9 µs	N/A
...	...	...	...	...

ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.