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