feat: add folder filtering and improve list view performance

- Added server-side folder filtering to paginated metadata endpoint with support for regular folders and .trash
- Improved list view performance by optimizing kind filtering and non-markdown file handling
- Updated folder navigation to properly reset other filters (tags, quick links, search) when selecting a folder
- Added request ID tracking to prevent stale responses from affecting pagination state
- Enhanced list view to show loading

vault/mixe/Test Note.md

@@ -0,0 +1,18 @@
+---
+titre: Test Note
+auteur: Bruno Charest
+creation_date: 2025-10-23
+modification_date: 2025-10-23T20:30:45-04:00
+catégorie: ""
+tags: []
+aliases: []
+status: draft
+publish: false
+favoris: false
+template: false
+task: false
+archive: false
+draft: true
+private: false
+---
+Contenu de test