[FIX] mrp: display name on report

Display full variant name on manufacturing order print out

Closes #20471
opw-778514

addons/mrp/report/mrp_production_templates.xml

@@ -23,8 +23,7 @@
                         </div>
                         <div class="col-xs-3">
                             <strong>Product:</strong><br/>
-                            <span t-field="o.product_id.code"/>
-                            <span t-field="o.product_id.name"/>
+                            <span t-field="o.product_id"/>
                         </div>
                         <div class="col-xs-3">
                             <strong>Quantity:</strong><br/>