Feat: Add model editing functionality with improved UI labels (#8855)

### What problem does this PR solve?

Add edit button for local LLM models
<img width="1531" height="1428" alt="image"
src="https://github.com/user-attachments/assets/19d62255-59a6-4a7e-9772-8b8743101f78"
/>

<img width="1531" height="1428" alt="image"
src="https://github.com/user-attachments/assets/c3a0f77e-cc6b-4190-95a6-13835463428b"
/>



### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

---------

Co-authored-by: Liu An <asiro@qq.com>

web/src/locales/de.ts

@@ -620,6 +620,7 @@ export default {
       apiKeyTip:
         'Der API-Schlüssel kann durch Registrierung beim entsprechenden LLM-Anbieter erhalten werden.',
       showMoreModels: 'Mehr Modelle anzeigen',
+      hideModels: 'Modelle ausblenden',
       baseUrl: 'Basis-URL',
       baseUrlTip:
         'Wenn Ihr API-Schlüssel von OpenAI stammt, ignorieren Sie dies. Andere Zwischenanbieter geben diese Basis-URL mit dem API-Schlüssel an.',