[PD] allow to change feature order in patterns

As discussed here: https://forum.freecadweb.org/viewtopic.php?f=27&t=48998#p420352
The pattern dialogs need a feature to change the order of the features to be patterned

src/Mod/PartDesign/Gui/TaskMultiTransformParameters.ui

@@ -39,7 +39,14 @@
     </layout>
    </item>
    <item>
-    <widget class="QListWidget" name="listWidgetFeatures"/>
+    <widget class="QListWidget" name="listWidgetFeatures">
+     <property name="toolTip">
+      <string>List can be reordered by dragging</string>
+     </property>
+     <property name="dragDropMode">
+      <enum>QAbstractItemView::InternalMove</enum>
+     </property>
+    </widget>
    </item>
    <item>
     <widget class="QLabel" name="label">