[Fiber] Use a safer strategy to track the last precedence#28110

Merged

gnoff merged 1 commit intofacebook:mainfrom gnoff:fix-precedence-keys

Jan 30, 2024

+17-7

Commits on Jan 26, 2024

Uses a safer strategy to track the last precedence to avoid the need to consistently remember to preprend 'p' to the precedence value
gnoff
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