Update debugger-frontend from 8b84a77...8cce390 (facebook#53941)

Summary:
Pull Request resolved: facebook#53941

Changelog: [Internal] - Update `react-native/debugger-frontend` from 8b84a77...8cce390

Resyncs `react-native/debugger-frontend` from GitHub - see `rn-chrome-devtools-frontend` [changelog](facebook/react-native-devtools-frontend@8b84a77...8cce390).

### Changelog

| Commit | Author | Date/Time | Subject |
| ------ | ------ | --------- | ------- |
| [8cce39003](facebook/react-native-devtools-frontend@8cce39003) | Alex Hunt ([email protected]) | 2025-09-25T15:05:50+01:00 | [Update Welcome panel assets and styling (facebook#208)](facebook/react-native-devtools-frontend@8cce39003) |
| [7724ccb99](facebook/react-native-devtools-frontend@7724ccb99) | Alex Hunt ([email protected]) | 2025-09-25T08:46:01+01:00 | [Disable Perf Insights subpanel, collapse sidebar by default (facebook#209)](facebook/react-native-devtools-frontend@7724ccb99) |
| [538c309a3](facebook/react-native-devtools-frontend@538c309a3) | Vitali Zaidman ([email protected]) | 2025-09-18T12:20:22+01:00 | [track when all startup resources are loaded (facebook#205)](facebook/react-native-devtools-frontend@538c309a3) |

Reviewed By: hoxyq

Differential Revision: D83248877

fbshipit-source-id: e5d7fb009a89bd97c8aac5f0a09b5733b8249651

Author: huntie

packages/debugger-frontend/BUILD_INFO

@@ -1,5 +1,5 @@
-@generated SignedSource<<d090ed9a9e781c82884f22944254ed65>>
-Git revision: 8b84a77b2c82c670886ef064dfc92d6bce83e579
+@generated SignedSource<<e0cc45c5c3854d0d3013f1c735e804b8>>
+Git revision: 8cce39003f66f66a8fb4c0e581a2b5046cf9c1d1
 Built with --nohooks: false
 Is local checkout: false
 Remote URL: https://github.com/facebook/react-native-devtools-frontend