feat(onboarding): Add paginated browse + search to repo selector #249047

Job	Run time
detect what files changed	34s
monolith-dbs test	-1s
api docs test	-1s
select tests	-1s
requirements check	-1s
backend typing	-1s
api url typescript generation	-1s
cli test	-1s
backend migration tests	-1s
check migration	-1s
calculate test shards	0s
backend test	-1s
Backend	3s
	27s

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