The first thing a new users sees of Creator is an ugly, crumbly icon

1. Have a HiDPI screen running with screen scaling.
   I have it set to 150%.
2. Start Creator with empty settings.
   You'll see something like this:
   
   This crumbly icon does not give a nice first impression of Qt Creator.

There seems to be a problem in Qt Creator itself, because after Friedemann's patch, the standarddialogs example looks nice.