Fix duplicate widget names in an ui file

source/MemoryX/gui-plugins/GraphVisualizerPlugin/GraphVisualizerGuiPlugin.ui

@@ -227,7 +227,7 @@
             </item>
            </layout>
           </widget>
-          <widget class="QWidget" name="layoutWidget">
+          <widget class="QWidget" name="layoutWidget2">
            <layout class="QVBoxLayout" name="verticalLayout_edges">
             <item>
              <widget class="QLabel" name="label_edges">