Ajout d'une query GraphQL pour vérifier les autorisations côté serveur

- Intégration des vérifications de droits sur la page de
  création/modification des groupes de travail

client/src/gql/queries/authorization.tsx

@@ -0,0 +1,19 @@
+import { gql, useQuery } from '@apollo/client';
+import { useGraphQLData } from './helper';
+
+export const QUERY_IS_AUTHORIZED = gql`
+  query isAuthorized($action: String!, $object: AuthorizationObject!) {
+    isAuthorized(action: $action, object: $object)
+  }
+`;
+
+export function useIsAuthorizedQuery(options = {}) {
+  return useQuery(QUERY_IS_AUTHORIZED, options);
+}
+
+export function useIsAuthorized(options = {}, defaultValue = false) {
+  const { data, loading, error } = useGraphQLData<boolean>(
+    QUERY_IS_AUTHORIZED, 'isAuthorized', defaultValue, options
+  );
+  return { isAuthorized: data, loading, error };
+}