Don't re-focus already focused control.
Don't re-focus already focused control.

This actually fixes the TextBox selection problem.

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