AppPlugins: Expose react-router to apps (#33775)

* Allow Route component usage in app plugins

* i tried

* fix catalog app

* fix catalog app

* remove catalog changes from this PR

* remove extra files

* feat(plugins): expose react-router to plugins rather than export via grafana-ui

* Bring back query and pathname to AppRootPage and add deprecation notice

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>
Co-authored-by: Jack Westbrook <jack.westbrook@gmail.com>

packages/grafana-toolkit/src/config/webpack.plugin.config.ts

@@ -185,6 +185,7 @@ const getBaseWebpackConfig: WebpackConfigurationGetter = async (options) => {
       'react-redux',
       'redux',
       'rxjs',
+      'react-router-dom',
       'd3',
       'angular',
       '@grafana/ui',