Support copy from right in timetable editor #763

Job	Run time
pr-e2e-check / test-build-release	38m 30s
pr-e2e-check / test-build-release	28m 44s
pr-e2e-check / test-build-release	37m 30s
pr-e2e-check / test-build-release	38m 12s
pr-e2e-check / test-build-release	36m 45s
pr-e2e-check / test-build-release	28m 57s
pr-e2e-check / test-build-release	37m 23s
pr-e2e-check / test-build-release	39m 24s
pr-e2e-check / test-build-release	19m 37s
	5h 5m 2s

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