Added a generic OverrideDefaultValue.
Added a generic OverrideDefaultValue.

SuperJMN/Avalonia,SuperJMN/Avalonia,SuperJMN/Avalonia,wieslawsoltes/Perspex,ncarrillo/Perspex,jkoritzinsky/Avalonia,jazzay/Perspex,jkoritzinsky/Perspex,AvaloniaUI/Avalonia,Perspex/Perspex,AvaloniaUI/Avalonia,SuperJMN/Avalonia,grokys/Perspex,wieslawsoltes/Perspex,jkoritzinsky/Avalonia,MrDaedra/Avalonia,kekekeks/Perspex,wieslawsoltes/Perspex,punker76/Perspex,SuperJMN/Avalonia,tshcherban/Perspex,jkoritzinsky/Avalonia,susloparovdenis/Avalonia,wieslawsoltes/Perspex,MrDaedra/Avalonia,wieslawsoltes/Perspex,jkoritzinsky/Avalonia,OronDF343/Avalonia,SuperJMN/Avalonia,kekekeks/Perspex,Perspex/Perspex,AvaloniaUI/Avalonia,sagamors/Perspex,wieslawsoltes/Perspex,jkoritzinsky/Avalonia,bbqchickenrobot/Perspex,wieslawsoltes/Perspex,AvaloniaUI/Avalonia,akrisiun/Perspex,danwalmsley/Perspex,AvaloniaUI/Avalonia,jkoritzinsky/Avalonia,susloparovdenis/Perspex,susloparovdenis/Avalonia,jkoritzinsky/Avalonia,grokys/Perspex,AvaloniaUI/Avalonia,OronDF343/Avalonia,AvaloniaUI/Avalonia,DavidKarlas/Perspex,susloparovdenis/Perspex,SuperJMN/Avalonia