BestFirstSearch: opt shortcut to compare positions #5102

Job	Run time
community-test (11, windows-latest)	3m 59s
community-test (11, ubuntu-latest)	1m 45s
formatting	22s
test (11, windows-latest)	9m 18s
native-image (macOS-12, default)	5m 49s
native-image (ubuntu-latest, default)	3m 40s
test (11, ubuntu-latest)	7m 18s
test (21, windows-latest)	8m 56s
native-image (ubuntu-latest, musl)	3m 31s
test (21, ubuntu-latest)	6m 38s
dockerize	0s
	51m 16s

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