chore(demo-cypress): provide `NG_EVENT_PLUGINS` for all component tests by default #9703

Job	Run time
Build demo	1m 3s
Cypress / Component Testing	3m 49s
Playwright / (1 of 9)	5m 26s
Playwright / (2 of 9)	10m 49s
Playwright / (3 of 9)	7m 9s
Playwright / (4 of 9)	4m 51s
Playwright / (5 of 9)	6m 13s
Playwright / (6 of 9)	5m 18s
Playwright / (7 of 9)	4m 48s
Playwright / (8 of 9)	4m 34s
Playwright / (9 of 9)	5m 12s
Playwright E2E Tests matrix result	1s
E2E result	9s
	59m 22s

Provide feedback