[FEAT] Fork chat to new thread (#1788)

* implement thread forking feature

* rename thread based on forked message

* refactor bulk message create for thread fork + bump prisma version

* revert prisma version bump

* add todo to bulkCreate function in workspace chats

* cast user input to expected type to prevent prisma injection

* refactor: update order of ops for thread fork

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Co-authored-by: Timothy Carambat <rambat1010@gmail.com>