[#2037] Fix exception on resource creation

The package controller was passing a dataset dict to the auth check for
`resource_create`, instead of a resource one (basically a `package_id`).

ckan/controllers/package.py

@@ -707,7 +707,9 @@ def new_resource(self, id, data=None, errors=None, error_summary=None):
         except NotFound:
             abort(404, _('The dataset {id} could not be found.').format(id=id))
         try:
-            check_access('resource_create', context, pkg_dict)
+            check_access('resource_create',
+                         context,
+                         {'package_id': pkg_dict['id']})
         except NotAuthorized:
             abort(401, _('Unauthorized to create a resource for this package'))