Input: Don't re-run the slot creation check on key sets
Input: Don't re-run the slot creation check on key sets

Make sure we always create the storage table when we add its reference
to the MTSlots list instead.

(The reasoning being we only add the reference once, and it's the first
thing we do, and we kinda need the storage to be created to get its
reference anyway; while we may set multiple keys per frame).

Frenzie/koreader,NiLuJe/koreader,NiLuJe/koreader,Frenzie/koreader,poire-z/koreader,koreader/koreader,koreader/koreader,poire-z/koreader