Remove legacy LayerSidebar main window left menu button #8278

Job	Run time
Set application version and env profile	8s
Build and package	5m 43s
Run backend unit tests	4m 8s
Run frontend unit tests	3m 31s
Run E2E multi windows tests	2m 58s
Run E2E tests (1)	10m 10s
Run E2E tests (2)	9m 43s
Run E2E tests (3)	9m 45s
Run E2E tests (4)	9m 16s
Run E2E tests (5)	8m 20s
Run E2E tests (6)	7m 17s
Run E2E tests (7)	7m 31s
Run E2E tests (8)	6m 31s
Run E2E tests (9)	6m 32s
Run E2E tests (10)	10m 31s
Run E2E tests (11)	13m 45s
Run E2E tests (12)	13m 38s
Run E2E tests (13)	8m 49s
Run E2E tests (14)	9m 6s
Run E2E tests (15)	10m 2s
Run E2E tests (16)	8m 36s
Generate and upload source maps to Sentry	0s
Push to registry	0s
	2h 46m 0s

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