PartDesign: Adopt primitive preview

The preview was developed when the "one feature only" visibility rule was not yet introduced. This commit maks it work again.

src/Mod/PartDesign/Gui/ViewProvider.cpp

@@ -25,6 +25,7 @@
 
 #ifndef _PreComp_
 # include <QMessageBox>
+#include <Inventor/nodes/SoSwitch.h>
 #endif
 
 #include <Gui/Command.h>
@@ -237,3 +238,12 @@ void ViewProvider::setBodyMode(bool bodymode) {
         prop->setStatus(App::Property::Hidden, bodymode);
     }
 }
+
+void ViewProvider::makeTemporaryVisible(bool onoff)
+{
+    //make sure to not use the overridden versions, as they change proeprties
+    if(onoff)
+        Gui::ViewProvider::show();
+    else 
+        Gui::ViewProvider::hide();
+}