[Update] Merge fromo dev to lina

apps/users/api/mixins.py

@@ -1,9 +1,13 @@
 # -*- coding: utf-8 -*-
 #
 from .. import utils
+from users.models import User
 
 
 class UserQuerysetMixin:
     def get_queryset(self):
-        queryset = utils.get_current_org_members()
+        if self.request.query_params.get('all'):
+            queryset = User.objects.exclude(role=User.ROLE_APP)
+        else:
+            queryset = utils.get_current_org_members()
         return queryset