feat(hub): reinterpret grouped dock entry category as in-group sub-ca… #464

Job	Run time
e2e	2m 10s
unit-test / lint	1m 27s
unit-test / test (ubuntu-latest, 24)	2m 10s
unit-test / test (windows-latest, 24)	4m 36s
unit-test / test (windows-latest, 22)	3m 46s
unit-test / test (windows-latest, 26)	4m 31s
unit-test / test (ubuntu-latest, 26)	2m 6s
unit-test / test (ubuntu-latest, 22)	2m 20s
	23m 6s

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