I am trying to set the content of a tinymce editor in a plugin and I can change the content but the appearance of the editor changes when I use this code

jQuery(document).ready(function($) {
var name1 = "wprsspostprepend";
if($("#" + name1).length > 0) {

    selector : "#wprsspostprepend",
     setup: function (editor) {
    editor.on('init', function () {
      var selector = tinyMCE.get('wprsspostprepend');
      var content =  selector.getContent();
   selector.setContent("<div id='random-wrap'>" + content + "</div>");



I lose all the WordPress plugin icons from the menu bar and it changes to just a stock editor.

How can I set the content of the editor without changing the appearance?

Read more here: WordPress tinymce editor changes when I call tinymce.init


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