Resolve issue where buttons were not being properly removed

online-editor.js

@@ -642,11 +642,11 @@ class BesPopupEl extends HTMLElement {
 
   clear() {
     const replacementDiv = this.shadowRoot.querySelector('.bes-replacement-div')
-    const replacements = replacementDiv.childNodes
+    const replacements = replacementDiv.children
     if (!replacements.length) return
-    replacements.forEach(replacement => {
-      replacementDiv.removeChild(replacement)
-    })
+    for (const replacement of Array.from(replacements)) {
+      replacement.remove()
+    }
   }
 
   hide() {