PluginsList Panel: Redirect to catalog app for updating plugins (#34893)

* feat(pluginlistpanel): if catalog app is enabled redirect user if plugin is upgradable

* refactor(catalog): update copy if plugin is disabled

plugins-bundled/internal/plugin-admin-app/src/pages/NotEnabed.tsx

@@ -1,6 +1,7 @@
 import React from 'react';
 import { Page } from 'components/Page';
 import { AppRootProps, NavModelItem } from '@grafana/data';
+import { css } from '@emotion/css';
 
 export const NotEnabled = ({ onNavChanged }: AppRootProps) => {
   const node: NavModelItem = {
@@ -16,8 +17,16 @@ export const NotEnabled = ({ onNavChanged }: AppRootProps) => {
 
   return (
     <Page>
-      To enabled installing plugins, set the{' '}
-      <a href="https://grafana.com/docs/grafana/latest/plugins/catalog">Plugin Catalog</a> instructions
+      To enable installing plugins, please refer to the{' '}
+      <a
+        className={css`
+          text-decoration: underline;
+        `}
+        href="https://grafana.com/docs/grafana/latest/plugins/catalog"
+      >
+        Plugin Catalog
+      </a>{' '}
+      instructions
     </Page>
   );
 };