Fix some corner cases in area search

 - Legacy-Id: 3946

Author: OleLaursen

ietf/idrfc/views_search.py

@@ -359,9 +359,10 @@ def search_query(query_original, sort_by=None):
         elif by == "group":
             docs = docs.filter(group__acronym=query["group"])
         elif by == "area":
-            docs = docs.filter(Q(group__parent=query["area"]) |
-                               Q(ad__role__name="ad",
-                                 ad__role__group=query["area"]))
+            docs = docs.filter(Q(group__type="wg", group__parent=query["area"]) |
+                               Q(group__type="individ",
+                                 ad__role__name="ad",
+                                 ad__role__group=query["area"])).distinct()
         elif by == "ad":
             docs = docs.filter(ad=query["ad"])
         elif by == "state":