Improve performance of SuppressionsList::isSuppressed by returning as soon as a match is found #20114

Job	Run time
build_cmake (alpine:3.23, false, false)	4m 21s
build_make (ubuntu:25.10)	2m 7s
build_make (ubuntu:24.04)	1m 49s
build_cmake (ubuntu:25.10, true, true)	2m 50s
build_make (alpine:3.23)	4m 22s
build_cmake (ubuntu:24.04, true, true)	2m 27s
	17m 56s

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