Revert "CodeManager: Don't move the cursor down"
Revert "CodeManager: Don't move the cursor down"

This reverts commit c8a3b6359344b80b1f46a3e6d4c2fd837d8bdb98.

rgbkrk/hydrogen,n-riesco/hydrogen,nteract/hydrogen,nteract/hydrogen,xanecs/hydrogen,lgeiger/hydrogen