filecontroller: don't remove old file in rename if save fails
filecontroller: don't remove old file in rename if save fails

HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,robotframework/RIDE,robotframework/RIDE,robotframework/RIDE,fingeronthebutton/RIDE,HelioGuilherme66/RIDE,robotframework/RIDE,fingeronthebutton/RIDE,HelioGuilherme66/RIDE,caio2k/RIDE,caio2k/RIDE,fingeronthebutton/RIDE,caio2k/RIDE