feat: add Playwright e2e tests #539

Job	Run time
build	4m 42s
test-dotnet	49s
test (c)	8m 18s
items-planning-playwright-test (c)	18m 33s
items-planning-playwright-test (b)	9m 14s
items-planning-playwright-test (a)	7m 54s
test (a)	5m 24s
test (b)	5m 17s
	1h 0m 11s

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