Update share_btn.py

share_btn.py

@@ -66,7 +66,7 @@ share_js = """async () => {
     const shareBtnEl = gradioEl.querySelector('#share-btn');
     const shareIconEl = gradioEl.querySelector('#share-btn-share-icon');
     const loadingIconEl = gradioEl.querySelector('#share-btn-loading-icon');
-    if(!outputMusic){
+    if(!outputSound){
         return;
     };
     shareBtnEl.style.pointerEvents = 'none';