[FIX] laser pointer command

The parameter was not passed in the method chain, loosing track
of the cell to which the laser pointer should be pointed at.

stock_vertical_lift_kardex/models/stock_location.py

@@ -85,7 +85,9 @@ class StockLocation(models.Model):
           highlighting the cell using a laser pointer.
         """
         if self.vertical_lift_shuttle_id.hardware == "kardex":
-            payload = self._hardware_kardex_prepare_payload()
+            payload = self._hardware_kardex_prepare_payload(
+                cell_location=cell_location
+            )
             _logger.debug("Sending to kardex: {}", payload)
             # TODO implement the communication with kardex
         else: