Log details of query errors

aleksis/core/assets/app/apollo.js

@@ -120,14 +120,17 @@ const apolloOpts = {
       },
       error: ({ graphQLErrors, networkError }, vm) => {
         if (graphQLErrors) {
+          for (let err of graphQLErrors) {
+            console.error("GraphQL query error:", err.message);
+          }
           // Add a snackbar on all errors returned by the GraphQL endpoint
-          console.error("A GraphQL query failed on the server");
           addErrorSnackbarItem("graphql.snackbar_error_message");
         }
         if (networkError) {
           // Set app offline globally on network errors
           //  This will cause the offline logic to kick in, starting a ping check or
           //  similar recovery strategies depending on the app/navigator state
+          console.error("Network error:", networkError);
           console.error(
             "Network error during GraphQL query, setting offline state"
           );