Added MenuItem icon to test application.
Added MenuItem icon to test application.

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