title: How do I sort custom posts by related custom taxonomy in wp dashboard?
body: <p>I have a little exp in wordpress. I have a sample question.</p>
  <p>I get custom post type and related taxonomy.</p>
  <p>In custom posts wp dashboard, posts will sort by modified date(by default).</p>
  <p>I want to change this sorting.
  I want to sort by related taxonomy.
  <a href="https://i.stack.imgur.com/UmY9a.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/UmY9a.png" alt="sample img" /></a></p>
  <p>Expected :
  I want to sort by <strong>alphabetical order</strong> with related taxonomy name.</p>
  <p>If same taxonomy name, sort by post modified date(as default).
  Img : <a href="https://i.stack.imgur.com/8VV0I.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/8VV0I.png" alt="expected img" /></a></p>