Move the per user filter code in simple_form

This needs to be explicitly set after each instantiation of a form, not
in a shared location below since some operations have already happened
at that time.

Author: mhagander

pgweb/util/helpers.py

@@ -52,6 +52,8 @@ def simple_form(instancetype, itemid, request, formclass, formtemplate='base/for
 
         # Process this form
         form = formclass(data=request.POST, instance=instance)
+        if hasattr(form, 'filter_by_user'):
+            form.filter_by_user(request.user)
         for fn in form.fields:
             if fn in getattr(instancetype, 'markdown_fields', []):
                 form.fields[fn].validators.append(MarkdownValidator)
@@ -165,9 +167,8 @@ def simple_form(instancetype, itemid, request, formclass, formtemplate='base/for
     else:
         # Generate form
         form = formclass(instance=instance)
-
-    if hasattr(form, 'filter_by_user'):
-        form.filter_by_user(request.user)
+        if hasattr(form, 'filter_by_user'):
+            form.filter_by_user(request.user)
 
     for fn in form.fields:
         if fn in getattr(instancetype, 'markdown_fields', []):