The Cura logo in left top corner is not displayed properly.

CURA-6044

resources/qml/MainWindow/MainWindowHeader.qml

@@ -29,6 +29,8 @@ Item
         source: UM.Theme.getImage("logo")
         width: UM.Theme.getSize("logo").width
         height: UM.Theme.getSize("logo").height
+
+        mipmap: true
     }
 
     Row