feat: Allow tab content to be retained in memory #11917

Job	Run time
dry-run / Create build tree	4s
dry-run / Build jest-preset	3s
dry-run / Build build-tools	4s
dry-run / Build collection-hooks	4s
dry-run / Build documenter	4s
dry-run / Build global-styles	5s
dry-run / Build browser-test-tools	4s
dry-run / Build component-toolkit	4s
dry-run / Build test-utils	2s
dry-run / Build theming-core	2s
dry-run / Build components	2m 49s
dry-run / Build chat components	1m 31s
dry-run / Build board components	2m 0s
dry-run / Build code view components	57s
dry-run / Components accessibility tests shards (1)	2m 19s
dry-run / Components accessibility tests shards (2)	10m 58s
dry-run / Components motion tests	1m 9s
dry-run / Components accessibility tests shards (3)	10m 44s
dry-run / Components integration tests shards (1)	9m 30s
dry-run / Components unit tests	4m 11s
dry-run / Components accessibility tests shards (4)	52s
dry-run / Components integration tests shards (2)	12m 26s
dry-run / Components accessibility tests shards (5)	10m 47s
dry-run / Components integration tests shards (3)	8m 51s
dry-run / Components integration tests shards (4)	7m 22s
dry-run / Components accessibility tests shards (6)	10m 40s
dry-run / Demos tests	8m 54s
dry-run / Components accessibility tests	1s
dry-run / Components integration tests	1s
	1h 46m 38s

Provide feedback