[BREAKING CHANGE] feat: SSR, AppRoot: get rid of body classes mutations #5876

Job	Run time
Detect what files changed	5s
Run linters	1m 51s
Call reusable workflow / Run unit tests	1m 57s
Analyze bundle size	2m 16s
Upload docs dist artifact (styleguide)	2m 9s
Upload docs dist artifact (storybook)	1m 15s
Check dependencies	0s
Call reusable workflow / get_playwright_docker_image	20s
Call reusable workflow / Run e2e tests for (shard 1/10)	2m 27s
Call reusable workflow / Run e2e tests for (shard 2/10)	4m 3s
Call reusable workflow / Run e2e tests for (shard 3/10)	2m 56s
Call reusable workflow / Run e2e tests for (shard 4/10)	3m 25s
Call reusable workflow / Run e2e tests for (shard 5/10)	3m 47s
Call reusable workflow / Run e2e tests for (shard 6/10)	2m 19s
Call reusable workflow / Run e2e tests for (shard 7/10)	4m 1s
Call reusable workflow / Run e2e tests for (shard 8/10)	2m 54s
Call reusable workflow / Run e2e tests for (shard 9/10)	3m 33s
Call reusable workflow / Run e2e tests for (shard 10/10)	3m 50s
Report unit test results	7s
Prepare and upload e2e's HTML report artifact	40s
Call reusable workflow / Upload PR workflow payload artifact	2s
Call reusable workflow / Download PR workflow payload artifact	0s
	43m 57s

Provide feedback