Improve Contains handling #32064

Job	Run time
test_windows_fast	48m 26s
test	51m 37s
test_scala2_library_tasty	0s
community_build_a	42m 12s
test_non_bootstrapped	0s
MiMa	12m 53s
test_windows_full	0s
community_build_b	1h 18m 28s
community_build_c	1h 2m 34s
test_java8	0s
test_sbt	17m 53s
build-msi-package	0s
build-sdk-package / build	7m 48s
build-chocolatey-package / build	21s
test-chocolatey-package	0s
publish_nightly	0s
publish_release	0s
nightly_documentation	0s
open_issue_on_failure	0s
	5h 22m 12s

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