Grafana Image Renderer: Fixes plugin page (#19664)

Fixes #19659

packages/grafana-ui/src/types/plugin.ts

@@ -10,6 +10,7 @@ export enum PluginType {
   panel = 'panel',
   datasource = 'datasource',
   app = 'app',
+  renderer = 'renderer',
 }
 
 export interface PluginMeta<T extends {} = KeyValue> {

public/app/features/plugins/PluginPage.tsx

@@ -3,21 +3,20 @@ import React, { PureComponent } from 'react';
 import { hot } from 'react-hot-loader';
 import { connect } from 'react-redux';
 import find from 'lodash/find';
-
 // Types
 import { UrlQueryMap } from '@grafana/runtime';
-import { StoreState, AppNotificationSeverity } from 'app/types';
+import { AppNotificationSeverity, StoreState } from 'app/types';
 import {
   Alert,
-  PluginType,
+  AppPlugin,
   GrafanaPlugin,
-  PluginInclude,
   PluginDependencies,
+  PluginInclude,
+  PluginIncludeType,
   PluginMeta,
   PluginMetaInfo,
+  PluginType,
   Tooltip,
-  AppPlugin,
-  PluginIncludeType,
 } from '@grafana/ui';
 import { NavModel, NavModelItem } from '@grafana/data';
 
@@ -63,6 +62,9 @@ function loadPlugin(pluginId: string): Promise<GrafanaPlugin> {
         });
       });
     }
+    if (info.type === PluginType.renderer) {
+      return Promise.resolve({ meta: info } as GrafanaPlugin);
+    }
     return Promise.reject('Unknown Plugin type: ' + info.type);
   });
 }