title: Add supplier code to purchase order line
body: <p>How can i add a the field suppliercode to my purchase.order.line model in odoo
  GUI</p>
  <p>In the report i was able to do it with</p>
  <pre><code>&lt;span t-field=&quot;line.product_id.seller_ids and line.product_id.seller_ids[0].product_code&quot;/&gt;  
  </code></pre>
  <p>(not my solution, found it on stackoverflow)</p>
  <p><a href="https://i.stack.imgur.com/A8wdF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/A8wdF.png" alt="Do I use it like in the picture or in server actions" /></a></p>
  <p>Do I use it like in the picture or in server actions</p>