refactor/move all email tests to single test run #5950

Job	Run time
Bundle size check	2m 30s
code_style (lint)	2m 26s
test	1m 56s
code_style (prettier)	1m 50s
code_style (typecheck)	1m 57s
code_style (danger)	4m 3s
code_style (build:sample-apps)	3m 23s
ui-test / Playwright Tests (1, 5)	9m 53s
ui-test / Playwright Tests (2, 5)	10m 29s
ui-test / Playwright Tests (3, 5)	9m 27s
ui-test / Playwright Tests (4, 5)	4m 54s
ui-test / Playwright Tests (5, 5)	5m 32s
ui-test / setup_playwright_runners / setup-runners	43s
	59m 3s

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