Fix deleteFile undefined $toast and reversed delete/fetch order

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/stores/files.js

@@ -256,7 +256,8 @@ export default defineStore('filesStore', {
       let api;
 
       if(id == null || isNaN(id)) {
-        return $toast.default('Delete File API Error.', {position: 'bottom'});
+        console.error('Delete File API Error: invalid id');
+        return;
       };
       const loading = loadingStore();
       loading.isLoading = true;
@@ -275,8 +276,8 @@ export default defineStore('filesStore', {
           break;
       }
       try {
-        await this.fetchAllFiles();
         await axios.delete(api);
+        await this.fetchAllFiles();
         await deleteSuccess();
       } catch(error) {
         apiError(error, 'Failed to delete.');