fix and remove duplicate error handling

Author: Ivan Beloborodov

src/apolo/index.js

@@ -10,7 +10,7 @@ const filter_out_error_set = {
 };
 
 export const globalErrorHandler = ({ networkError = {}, graphQLErrors = [] }) => {
-  if (networkError.statusCode === 500) {
+  if (networkError && networkError.statusCode === 500) {
     window.logger.err("Internal server error");
   }
 

src/hooks/index.js

@@ -16,14 +16,4 @@ export function useTranslations() {
   return result;
 }
 
-export function useMutation(mutation, { onError, ...options } = {}) {
-  return useApolloMutation(mutation, {
-    onError: onError
-      ? error => {
-          globalErrorHandler(error);
-          onError(error);
-        }
-      : globalErrorHandler,
-    ...options
-  });
-}
+export const useMutation = useApolloMutation;