chore: reuse some custom utils from ng-morph #5117

Job	Run time
Build demo	4m 6s
playwright / (1 of 9)	6m 15s
playwright / (2 of 9)	11m 3s
playwright / (3 of 9)	7m 37s
playwright / (4 of 9)	4m 48s
playwright / (5 of 9)	6m 55s
playwright / (6 of 9)	6m 5s
playwright / (7 of 9)	4m 21s
playwright / (8 of 9)	4m 28s
playwright / (9 of 9)	4m 43s
Playwright E2E Tests matrix result	1s
E2E result	7s
	1h 0m 29s

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