added fields query param to the api docs preview

ui/src/components/collections/docs/AuthWithPasswordDocs.svelte

@@ -4,6 +4,7 @@
     import CommonHelper from "@/utils/CommonHelper";
     import CodeBlock from "@/components/base/CodeBlock.svelte";
     import SdkTabs from "@/components/collections/docs/SdkTabs.svelte";
+    import FieldsQueryParam from "@/components/collections/docs/FieldsQueryParam.svelte";
 
     export let collection = new Collection();
 
@@ -197,6 +198,7 @@
                 Only the relations to which the request user has permissions to <strong>view</strong> will be expanded.
             </td>
         </tr>
+        <FieldsQueryParam />
     </tbody>
 </table>