chore: 🤖 enable disabled functional test suite

Author: streamich

test/plugin_functional/config.js

@@ -35,7 +35,7 @@ export default async function({ readConfigFile }) {
       require.resolve('./test_suites/app_plugins'),
       require.resolve('./test_suites/custom_visualizations'),
       require.resolve('./test_suites/panel_actions'),
-      // require.resolve('./test_suites/embeddable_explorer'),
+      require.resolve('./test_suites/embeddable_explorer'),
       require.resolve('./test_suites/core_plugins'),
       require.resolve('./test_suites/management'),
     ],