title: Vue3 watch do not work in Options api way
body: <p>I try to use the watch in a way of Options API. To simplify just <code>console.log</code> my <code>list1</code> data when it changed. But nothing happens. What do I miss?</p>
  <pre><code>    export default defineComponent({
          name: &quot;clone-on-control&quot;,
          display: &quot;Clone on Control&quot;,
          instruction: &quot;Press Ctrl to clone element from list 1&quot;,
          order: 20,
          components: {
              draggable
          },
          data() {
              return {
                  list1: [
                      { name: &quot;Jesus&quot;, id: 1, list:1, uuid: &quot;ffcc4608-3b1b-11ec-8d3d-0242ac130003&quot; },
                      { name: &quot;Paul&quot;, id: 2, list:1, uuid: &quot;0649fe6c-3b1c-11ec-8d3d-0242ac130003&quot; },
                      { name: &quot;Peter&quot;, id: 3, list:1, uuid: &quot;0e81b8e0-3b1c-11ec-8d3d-0242ac130003&quot; }
                  ],
                 
                  controlOnStart: true
              };
          },
          watch: {
              list1(value, oldValue){
                  console.log('watcher', value, oldValue)
              },
          },
  
  </code></pre>