[WebUI] Minor update to the config editor
[WebUI] Minor update to the config editor

The config editor will now set the original config to the updated config, after a successful save (disabling the save button to prevent the same config from being saved again)
crawln45/Flexget,qk4l/Flexget,sean797/Flexget,ianstalk/Flexget,Flexget/Flexget,JorisDeRieck/Flexget,dsemi/Flexget,JorisDeRieck/Flexget,dsemi/Flexget,drwyrm/Flexget,malkavi/Flexget,oxc/Flexget,Danfocus/Flexget,jawilson/Flexget,OmgOhnoes/Flexget,LynxyssCZ/Flexget,tarzasai/Flexget,ianstalk/Flexget,tobinjt/Flexget,malkavi/Flexget,gazpachoking/Flexget,OmgOhnoes/Flexget,OmgOhnoes/Flexget,drwyrm/Flexget,dsemi/Flexget,malkavi/Flexget,jawilson/Flexget,poulpito/Flexget,LynxyssCZ/Flexget,oxc/Flexget,LynxyssCZ/Flexget,tarzasai/Flexget,drwyrm/Flexget,tobinjt/Flexget,Flexget/Flexget,jacobmetrick/Flexget,jawilson/Flexget,oxc/Flexget,Danfocus/Flexget,crawln45/Flexget,Danfocus/Flexget,crawln45/Flexget,Danfocus/Flexget,LynxyssCZ/Flexget,JorisDeRieck/Flexget,Flexget/Flexget,tobinjt/Flexget,jawilson/Flexget,ianstalk/Flexget,malkavi/Flexget,qk4l/Flexget,jacobmetrick/Flexget,jacobmetrick/Flexget,qk4l/Flexget,poulpito/Flexget,sean797/Flexget,Flexget/Flexget,tarzasai/Flexget,gazpachoking/Flexget,sean797/Flexget,JorisDeRieck/Flexget,crawln45/Flexget,tobinjt/Flexget,poulpito/Flexget