fix inconsistency between context-menu and default edit mode PD primitives

src/Mod/PartDesign/Gui/ViewProviderPrimitive.cpp

@@ -24,6 +24,8 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <QAction>
+# include <QMenu>
 # include <QMessageBox>
 #endif
 
@@ -68,6 +70,13 @@ void ViewProviderPrimitive::attach(App::DocumentObject* obj) {
     ViewProviderAddSub::attach(obj);
 }
 
+void ViewProviderPrimitive::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
+{
+    QAction* act;
+    act = menu->addAction(QObject::tr("Edit primitive"), receiver, member);
+    act->setData(QVariant((int)ViewProvider::Default));
+}
+
 bool ViewProviderPrimitive::setEdit(int ModNum)
 {
     if (ModNum == ViewProvider::Default ) {