fix for #24637 .

HirokazuNishi · HirokazuNishi · commit aff78240d43a · 2019-11-04T12:00:58.000+09:00
diff --git a/lib/web/mage/adminhtml/wysiwyg/tiny_mce/tinymce4Adapter.js b/lib/web/mage/adminhtml/wysiwyg/tiny_mce/tinymce4Adapter.js
@@ -607,7 +607,7 @@ define([
             }
 
             this.addContentEditableAttributeBackToNonEditableNodes();
-            this.fixRangeSelection(editor);
+            //this.fixRangeSelection(editor);
 
             content = editor.getContent();
             content = this.decodeContent(content);

Original file line number	Diff line number	Diff line change
`@@ -607,7 +607,7 @@ define([`
`607`	`607`	`}`
`608`	`608`
`609`	`609`	`this.addContentEditableAttributeBackToNonEditableNodes();`
`610`		`- this.fixRangeSelection(editor);`
	`610`	`+ //this.fixRangeSelection(editor);`
`611`	`611`
`612`	`612`	`content = editor.getContent();`
`613`	`613`	`content = this.decodeContent(content);`