Port perf tests to 0.84-stable#15994

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iamAbhi-916 merged 3 commits intomicrosoft:0.84-stablefrom

iamAbhi-916:cherry-pick/perf-0.84-stable

Apr 15, 2026

Commits on Apr 15, 2026

[Fabric]: Performance Tests for React Native Windows (#15666)
iamAbhi-916
committed
fix: include hidden files in perf artifact upload to restore PR comments (#15893)

committed
fix: respect track mode in compare-results to avoid false regression (#15933)
iamAbhi-916
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