[BREAKING CHANGE] feat: SSR, AppRoot: get rid of body classes mutations #5958

Job	Run time
Run linters	51s
Detect what files changed	4s
Call reusable workflow / Run unit tests	1m 50s
Upload docs dist artifact (storybook)	1m 22s
Upload docs dist artifact (styleguide)	2m 9s
Analyze bundle size	2m 25s
Check dependencies	0s
Call reusable workflow / get_playwright_docker_image	18s
Call reusable workflow / Run e2e tests for (shard 1/10)	2m 52s
Call reusable workflow / Run e2e tests for (shard 2/10)	3m 46s
Call reusable workflow / Run e2e tests for (shard 3/10)	2m 59s
Call reusable workflow / Run e2e tests for (shard 4/10)	3m 19s
Call reusable workflow / Run e2e tests for (shard 5/10)	3m 50s
Call reusable workflow / Run e2e tests for (shard 6/10)	2m 50s
Call reusable workflow / Run e2e tests for (shard 7/10)	3m 44s
Call reusable workflow / Run e2e tests for (shard 8/10)	2m 48s
Call reusable workflow / Run e2e tests for (shard 9/10)	3m 20s
Call reusable workflow / Run e2e tests for (shard 10/10)	3m 31s
Report unit test results	4s
Prepare and upload e2e's HTML report artifact	45s
Call reusable workflow / Upload PR workflow payload artifact	2s
Call reusable workflow / Download PR workflow payload artifact	0s
	42m 49s

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