fix(datetime): use ResizeObserver to reliably detect visibility changes #17762

Job	Run time
build-core	1m 11s
test-core-lint	48s
test-core-clean-build	13s
build-angular-server	33s
test-core-screenshot (1, 20)	7m 26s
test-core-screenshot (2, 20)	8m 41s
test-core-screenshot (6, 20)	8m 3s
test-core-screenshot (11, 20)	4m 49s
test-core-screenshot (3, 20)	7m 38s
test-core-screenshot (12, 20)	4m 14s
test-core-screenshot (7, 20)	3m 16s
test-core-screenshot (4, 20)	8m 22s
test-core-screenshot (9, 20)	4m 21s
test-core-screenshot (10, 20)	3m 59s
test-core-screenshot (14, 20)	5m 57s
test-core-screenshot (8, 20)	4m 3s
test-core-screenshot (13, 20)	5m 24s
test-core-screenshot (16, 20)	6m 15s
test-core-screenshot (18, 20)	8m 4s
test-core-screenshot (20, 20)	4m 25s
test-core-screenshot (15, 20)	8m 8s
test-core-screenshot (17, 20)	8m 1s
test-core-screenshot (19, 20)	5m 50s
build-react	45s
build-angular	1m 3s
test-core-spec	45s
build-vue	37s
test-core-screenshot (5, 20)	7m 22s
build-vue-router	36s
build-react-router	24s
test-angular-e2e (ng20)	3m 35s
test-angular-e2e (ng18)	3m 44s
test-angular-e2e (ng17)	4m 3s
test-angular-e2e (ng16)	4m 38s
test-angular-e2e (ng19)	3m 35s
test-react-e2e (react19)	2m 58s
test-react-e2e (react18)	2m 40s
test-react-router-e2e (reactrouter5)	2m 50s
test-react-e2e (react17)	2m 35s
test-vue-e2e (vue3)	3m 16s
verify-test-react-router-e2e	3s
verify-test-react-e2e	2s
verify-test-vue-e2e	3s
verify-test-angular-e2e	3s
verify-screenshots	3s
	2h 45m 21s

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