[dev console] Fix embedded console rendering (#207120)

## Summary

https://github.com/elastic/kibana/pull/206887 introduced a rendering bug
to the embedded console. This PR moves the scss so that its imported in
both the console app and the embedded console, whereas previously it was
only imported to the app.



https://github.com/user-attachments/assets/60365bc4-c0c9-4642-a92b-78aa6f33c719

src/platform/plugins/shared/console/public/application/containers/main/main.tsx

@@ -7,6 +7,7 @@
  * License v3.0 only", or the "Server Side Public License, v 1".
  */
 
+import '../../../index.scss';
 import React, { useEffect, useState } from 'react';
 import {
   EuiFlexGroup,

src/platform/plugins/shared/console/public/application/index.tsx

@@ -7,7 +7,6 @@
  * License v3.0 only", or the "Server Side Public License, v 1".
  */
 
-import '../index.scss';
 import React from 'react';
 import { render, unmountComponentAtNode } from 'react-dom';
 import { HttpSetup, NotificationsSetup, DocLinksStart } from '@kbn/core/public';