After the ignored notifications are displayed, add a button to hide the ignored notifications again.

[huang1111]

<p><strong>Reproduction steps:</strong></p>
<p><span>as the picture shows.</span></p>
<p><strong>Actual result:</strong></p>
<p><span>It cannot be hidden again, you can only re-enter this interface.</span></p>
<p><strong>Expected Result:</strong></p>
<p><span>Design a button to hide again.</span></p>