melhorando a leitura de projetos no mmpCreator

assets/js/creations/audio/audio_ui.js

@@ -19,7 +19,7 @@ import {
   getBeatsPerBar,
   getSecondsPerStep,
 } from "../utils.js";
-import { sendAction } from "../socket.js";
+import { sendAction, sendActionSafe } from "../socket.js";
 
 export function renderAudioEditor() {
   const audioEditor = document.querySelector(".audio-editor");
@@ -262,7 +262,7 @@ export function renderAudioEditor() {
   const newTrackContainer = existingTrackContainer.cloneNode(false);
   tracksParent.replaceChild(newTrackContainer, existingTrackContainer);
   // ✅ único scroller horizontal/vertical do editor
-  const scrollEl = newTrackContainer;
+  const scrollEl = existingTrackContainer; // #audio-track-container
 
   // === RENDERIZAÇÃO DAS PISTAS (LANES) ===