Fix double button in ElementsSidebar

src/Components/ElementsSidebar/ElementsSidebar.tsx

@@ -373,7 +373,7 @@ function ElementsListRow(
   let expandButton;
   if (container.children.length > 0 && container !== mainContainer) {
     expandButton = (
-      <button
+      <div
         key={`${key}-chevron`}
         className={'ml-2 w-5 h-5 group transition-all'}
         onClick={() => { toggleExpandContainer(container.properties.id); }}>
@@ -384,7 +384,7 @@ function ElementsListRow(
         ? ''
         : 'rotate-90'}`}/>
 
-      </button>
+      </div>
     );
   }