message: Scroll debug messages by pixel, not by item.
diff: <property name="selectionBehavior">
  <enum>QAbstractItemView::SelectRows</enum>
  </property>
  + <property name="verticalScrollMode">
  + <enum>QAbstractItemView::ScrollPerPixel</enum>
  + </property>
  + <property name="horizontalScrollMode">
  + <enum>QAbstractItemView::ScrollPerPixel</enum>
  + </property>
  <attribute name="horizontalHeaderHighlightSections">
  <bool>false</bool>
  </attribute>
  