chore(ui-client): Move some views

Merged
TA
9mo ago
+1685-1278

Proposed changes (including videos or screenshots)

It moves the view of Setup Wizard to @rocket.chat/ui-client. Collaterally, it splits the Callbacks API between client and server code, with the client part also under @rocket.chat/ui-client.

Issue(s)

Steps to test or reproduce

Further comments