Dashboard: Fix Drawer validation to avoid errors with empty request objects (#68214)

public/app/features/dashboard/components/Inspector/InspectContent.tsx

@@ -1,3 +1,4 @@
+import { isEmpty } from 'lodash';
 import React, { useState } from 'react';
 
 import { CoreApp, DataSourceApi, formattedValueToString, getValueFormat, PanelData, PanelPlugin } from '@grafana/data';
@@ -114,7 +115,8 @@ export const InspectContent = ({
 
 function formatStats(data: PanelData) {
   const { request } = data;
-  if (!request) {
+
+  if (!request || isEmpty(request)) {
     return '';
   }