chore: replace karma with playwright #1967

Job	Run time
unit-tests	2m 34s
saucelabs-integration-tests (edge)	2m 29s
local-integration-tests (headlessChrome)	1m 59s
local-integration-tests (headlessFirefox)	2m 24s
playwright / Playwright Tests - chromium	1m 53s
playwright / playwright-macos (webkit)	1m 38s
playwright / Playwright Tests - firefox	1m 55s
playwright / Playwright Tests - chrome	1m 42s
playwright / Playwright Tests - edge	1m 57s
playwright / merge-reports	1m 17s
playwright / check-failure	1s
	19m 49s

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