fix(desktop): permitir dialog de anexo no chat

apps/desktop/src-tauri/src/lib.rs

@@ -445,6 +445,7 @@ pub fn run() {
     tauri::Builder::default()
         .manage(AgentRuntime::new())
         .manage(ChatRuntime::new())
+        .plugin(tauri_plugin_dialog::init())
         .plugin(tauri_plugin_opener::init())
         .plugin(StorePluginBuilder::default().build())
         .plugin(tauri_plugin_updater::Builder::new().build())