Wire list empty when working with project using wires in version 1.2.131.

Details: <p>Testing:</p><p>- Using V1.2.131, create a project where wires are generated using the old method (when oriented connections were noty taken into consideration) making sure the &#39;Single wire&#39; class is assigned as a Net Branch class on connections.&nbsp; Make sure cable wires are also present.</p><p>- Upgrade to tested version and displaye wire list.&nbsp; If wires are displayed, we&#39;re good.</p>