Fix shallow cope issue

Author: marcusolsson

src/components/QueryEditor.tsx

@@ -9,7 +9,7 @@ import { JsonPathQueryField } from './JsonPathQueryField';
 type Props = QueryEditorProps<DataSource, JsonApiQuery, JsonApiDataSourceOptions>;
 
 export const QueryEditor: React.FC<Props> = ({ onRunQuery, onChange, query }) => {
-  const { fields } = defaults(query, defaultQuery);
+  const { fields } = defaults(query, { ...defaultQuery, fields: [{ name: '', jsonPath: '' }] });
 
   const onChangePath = (i: number) => (e: string) => {
     fields[i] = { ...fields[i], jsonPath: e };

src/types.ts

@@ -20,7 +20,6 @@ export interface JsonApiVariableQuery extends DataQuery {
 }
 
 export const defaultQuery: Partial<JsonApiQuery> = {
-  fields: [{ name: '', jsonPath: '' }],
   cacheDurationSeconds: 300,
   queryParams: '',
   urlPath: '',