feat: Allow nested registrations #4034

Job	Run time
Types Test	43s
Jest tests / Run Jest	1m 39s
sm-check	24s
size-check	1m 12s
Find pull request target	0s
ESLint / Run ESLint	49s
WDIO	0s
Pending comment pull request	0s
Comment pull request	0s
	4m 47s

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