[FIX] point_of_sale: exclude rescue session when getting the user current session

This revision is related to 0ea31c272c.

It's no longer really needed since the rescue sessions have been removed,
with the revision 87a3fe92de,
except for databases already having opened rescue sessions.

opw-653180

addons/point_of_sale/point_of_sale.py

@@ -74,7 +74,7 @@ class pos_config(osv.osv):
         result = dict()
 
         for record in self.browse(cr, uid, ids, context=context):
-            result[record.id] = record.session_ids.filtered(lambda r: r.state == 'opened').user_id.name
+            result[record.id] = record.session_ids.filtered(lambda r: r.state == 'opened' and not r.rescue).user_id.name
         return result
 
     _columns = {