title: Angular 11 primeng ptooltip not showing the tooltip with version 11.4.5
body: <p>i am using primeng ptooltip in my angular 11 application. the tooltip not appearing.</p>
  <p>my primeng version is</p>
  <p>&quot;primeng&quot;: &quot;^11.4.5&quot;,</p>
  <pre><code>&lt;a [pTooltip]=&quot;option.label&quot;&gt;Click here&lt;/a&gt;
  </code></pre>