Git: Fix selection painting artifact in rebase dialog

avoid overlapping columns

Task-number: QTCREATORBUG-15770
Change-Id: I68862df8e8da0e850dc54f304279966188801029
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/git/logchangedialog.cpp

@@ -294,7 +294,7 @@ void IconItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &opti
         painter->save();
         painter->drawPixmap(o.rect.x(), o.rect.y(), m_icon.pixmap(size.width(), size.height()));
         painter->restore();
-        o.rect.translate(size.width(), 0);
+        o.rect.setLeft(size.width());
     }
     QStyledItemDelegate::paint(painter, o, index);
 }