feat: add Playwright e2e tests #535

Job	Run time
test-dotnet	48s
build	5m 5s
test (a)	6m 4s
items-planning-playwright-test (a)	5m 40s
test (c)	7m 57s
items-planning-playwright-test (b)	19m 40s
test (b)	5m 29s
items-planning-playwright-test (c)	26m 24s
	1h 17m 7s

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