Only enable Restore Configuration if a file is selected
Only enable Restore Configuration if a file is selected

If the user clicks "Choose File" and then cancels the file selection dialog, disable the "Restore Configuration" button.
dennypage/pfsense,NewEraCracker/pfsense,phil-davis/pfsense,NOYB/pfsense,dennypage/pfsense,NOYB/pfsense,ch1c4um/pfsense,NewEraCracker/pfsense,ptorsten/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,phil-davis/pfsense,BlackstarGroup/pfsense,phil-davis/pfsense,pfsense/pfsense,phil-davis/pfsense,jxmx/pfsense,NOYB/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,BlackstarGroup/pfsense,brunostein/pfsense,NewEraCracker/pfsense,jxmx/pfsense,brunostein/pfsense,ptorsten/pfsense,brunostein/pfsense,pfsense/pfsense,jxmx/pfsense,ch1c4um/pfsense,NewEraCracker/pfsense,pfsense/pfsense,ch1c4um/pfsense,ch1c4um/pfsense,pfsense/pfsense,ptorsten/pfsense