SANKORE-267 implement forced min width == 50 and min height == 50 for any widget application

src/domain/UBGraphicsDelegateFrame.cpp

@@ -299,7 +299,7 @@ void UBGraphicsDelegateFrame::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
 
             QSizeF newSize = resizableItem->size() + incVector;
 
-            if (newSize.width() < 0 || newSize.height() < 0)
+            if (newSize.width() < 50 /*0*/ || newSize.height() < /*0*/ 50)
                 return;
 
             resizableItem->resize(newSize);