[WIP] `@plone/contents` for Seven #21160

Job	Run time
Core Basic	0s
Core Blocks	0s
Core Blocks - Listing	0s
Core Content	0s
Core Control Panels	0s
Coresandbox	0s
Core Volto Slate	0s
Core Basic - Plone 5	0s
Deployment Mode	0s
Project Generator	0s
Multilingual	0s
Working Copy	0s
Multilingual in Deployment Mode	0s
Seven	0s
	0s

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