Fix GraphQL cache errors because of missing id on some queries

Also moves some queries to cache-and-network policy and improve
typescript a bit

Closes #387

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/views/Group/MyGroups.vue

@@ -53,7 +53,7 @@ import RouteName from "../../router/name";
   apollo: {
     membershipsPages: {
       query: LOGGED_USER_MEMBERSHIPS,
-      fetchPolicy: "network-only",
+      fetchPolicy: "cache-and-network",
       variables: {
         page: 1,
         limit: 10,