Fix new url field focus bug (#194)
Fix new url field focus bug (#194)

Closes TryGhost/Ghost#7140

* Now checks to see if it is new or not before editing the url
TryGhost/Ghost-Admin,TryGhost/Ghost-Admin,JohnONolan/Ghost-Admin,airycanon/Ghost-Admin,airycanon/Ghost-Admin,dbalders/Ghost-Admin,JohnONolan/Ghost-Admin,kevinansfield/Ghost-Admin,kevinansfield/Ghost-Admin,acburdine/Ghost-Admin,dbalders/Ghost-Admin,acburdine/Ghost-Admin