[2.4.8-beta2] Downgrade TinyMCE dependency from version 7 to version 6.8.5

Author: jayrangnani-gl

lib/web/mage/adminhtml/wysiwyg/tiny_mce/tinymceAdapter.js

@@ -404,16 +404,16 @@ define([
 
             require(['mage/adminhtml/browser'], function () {
                 MediabrowserUtility.openDialog(wUrl, false, false, typeTitle, {
-                        /**
+                    /**
                          * Closed.
                          */
-                        closed: function () {
-                            frameDialog.show();
-                            jQuery('.tox-tinymce-aux').show();
-                        },
+                    closed: function () {
+                        frameDialog.show();
+                        jQuery('.tox-tinymce-aux').show();
+                    },
 
-                        targetElementId: self.activeEditor() ? self.activeEditor().id : null
-                    }
+                    targetElementId: self.activeEditor() ? self.activeEditor().id : null
+                }
                 );
             });
         },