Use workspace instead of realm in UI (#1093) #6010

Job	Run time
Check which packages changed	5s
Boxel UI Tests	1m 25s
AI bot Tests	38s
Boxel Motion Tests	1m 10s
Host Tests	11m 4s
Lint	1m 58s
Matrix Client Tests - Group 1	12m 24s
Matrix Client Tests - Group 2	11m 1s
Realm Server Tests	5m 6s
deploy-ai-bot	0s
Deploy boxel to staging / Build Docker image / Build	1m 54s
Deploy boxel to staging / Build host / Build	5m 27s
Deploy boxel to staging / Deploy host / Deploy	3m 9s
Deploy boxel to staging / Deploy realm server / Deploy	3m 50s
	59m 11s

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