feat: design qa multi theming improvements #5828

Job	Run time
Verify (packages/docs)	7m 37s
Verify (packages/components)	2m 43s
Verify (packages/tokens)	45s
Verify (packages/eslint-plugin)	48s
Verify (packages/placeholders)	43s
Verify (packages/theming)	47s
Verify (packages/styles)	54s
Verify Chromatic	1m 51s
	16m 8s

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