[Backport release-3_40] [ui][themes] Fix calendar view when constraints are not met #35871

Job	Run time
build (22.04, 5, true, OFF, ON, ON, ON, ON, OFF, OFF, OFF, OFF, ON, false)	17m 55s
build (39, 6, true, ON, OFF, ON, ON, OFF, OFF, ON, ON, ON, OFF, false)	28m 55s
clang-tidy (22.04, 5)	5m 29s
Run tests (5, ALL_BUT_PROVIDERS)	31m 24s
Run tests (5, POSTGRES)	6m 17s
Run tests (5, HANA)	5m 10s
Run tests (6, ALL_BUT_PROVIDERS)	42m 10s
Run tests (5, ORACLE, 22.04, binary-for-oracle)	6m 0s
	2h 23m 20s

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