refactor: update tag data structure and improve tag handling

- Changed `TagsResponse` and `UseTagsState` to include `usage` count in the tag data structure for better tracking.
- Simplified tag initialization in `useTags` to directly use `initialData`.
- Enhanced `TagsPageClient` to filter and sort tags based on usage, improving user experience in tag management.
- Removed unused variables and streamlined the search functionality for better performance.

clients/tags-client.ts

@@ -21,7 +21,7 @@ export interface TagFilters {
 
 // Types pour les réponses
 export interface TagsResponse {
-  data: Tag[];
+  data: Array<Tag & { usage: number }>;
   message: string;
 }