[FIX] purchase_duplicate_check: Issue fixed

Fixed an issue in _compute_pending_order_ids compute method

Author: geomer198

purchase_duplicate_check/models/purchase_order_line.py

@@ -22,7 +22,7 @@ def _compute_pending_order_ids(self):
 
         product_ids = tuple(product_lines.mapped("product_id")._origin.ids)
         order_ids = tuple(product_lines.mapped("order_id")._origin.ids)
-        if not product_ids:
+        if not product_ids or not order_ids:
             product_lines.pending_order_ids = False
             return
         query = """