[Backport release-3_28] [ui][themes] Make attribute form constraints background coloring compatible with dark themes #26521

Job	Run time
build (22.04, 5, true, OFF, ON, ON, ON, ON, OFF, OFF, ON, false)	2h 15m 9s
build (36, 6, true, ON, OFF, ON, OFF, OFF, OFF, OFF, OFF, false)	1h 59m 50s
clang-tidy (22.04, 5)	12m 36s
Run tests (5, ALL_BUT_PROVIDERS)	46m 48s
Run tests (5, POSTGRES)	11m 51s
Run tests (5, HANA)	15m 41s
Run tests (6, ALL_BUT_PROVIDERS)	17m 30s
Run tests (5, ORACLE, 22.04, binary-for-oracle)	10m 19s
	6h 9m 44s

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