chore(demo): add `tuiZonefreeScheduler` for `DEMO_PAGE_LOADED_PROVIDER` #4195

Job	Run time
Build demo	3m 34s
playwright / (1 of 9)	4m 44s
playwright / (2 of 9)	10m 37s
playwright / (3 of 9)	7m 21s
playwright / (4 of 9)	4m 19s
playwright / (5 of 9)	5m 21s
playwright / (6 of 9)	5m 19s
playwright / (7 of 9)	4m 20s
playwright / (8 of 9)	4m 20s
playwright / (9 of 9)	4m 35s
Playwright E2E Tests matrix result	1s
E2E result	8s
	54m 39s

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