Update filebrowser.js

Author: benhatsor

filebrowser.js

@@ -890,8 +890,10 @@ sidebar.addEventListener('scroll', () => {
 
   const moreButton = fileWrapper.querySelector('.item.more');
 
-  // if 'more' button exists
-  if (moreButton) {
+  // if more button exists
+  // and is not disabled (loading more)
+  if (moreButton &&
+      !moreButton.classList.contains('disabled')) {
 
     const maxScroll = sidebar.scrollHeight - sidebar.clientHeight;