refactor: remove success notifications from api action wrappers and websocket connection

frontend/src/composables/useUploads.ts

@@ -40,7 +40,7 @@ export function useUploads() {
   }
 
   async function enqueue(filename: string) {
-    await run(() => api.playFile(filename), 'Dodano plik do kolejki!', 'Błąd odtwarzania')
+    await run(() => api.playFile(filename), '', 'Błąd odtwarzania')
     await refresh()
   }