title: CKEditor 5 get last insert value
body: <p>Good day. How to get last insert value from CKEditor 5 ?</p>
  <p>I use:</p>
  <pre><code>editor.model.document.on('change:data', () =&gt; {
      let data = editor.getData();
      console.log('The data has changed!', data);
  });
  </code></pre>
  <p>It return all text from editor when change event started but I need return only last insert. Is it possible ?</p>