Fixed bugs in Inventree/views.py

- Need to pass request.FILES to the form! (duh!) 
 - Prevent form data from being saved twice

InvenTree/part/templates/part/detail.html

@@ -92,7 +92,7 @@
         launchModalForm("#modal-form",
                         "{% url 'part-edit' part.id %}",
                         {
-                            reload: true
+                            reload: true,
                         });
     });
 

InvenTree/part/templates/part/part_base.html

@@ -89,6 +89,9 @@
     $("#part-thumb").click(function() {
         launchModalForm("#modal-form",
                         "{% url 'part-image' part.id %}",
+                        {
+                            reload: true
+                        }
                         );
     });
 {% endblock %}