Fix #14660 Handle reverse conditions in isOppositeCond function #19400

Job	Run time
build_cmake (ubuntu:25.10, true, true)	3m 2s
build_cmake (alpine:3.23, false, false)	4m 34s
build_make (ubuntu:24.04)	2m 51s
build_cmake (ubuntu:24.04, true, true)	2m 47s
build_make (ubuntu:25.10)	4m 59s
build_make (alpine:3.23)	5m 49s
	24m 2s

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