Exclude active record from type search

issue11729
review435911044
(grafted from 4ac40db3d36dac93d46e807c4430d7b0aa1f5fd2)

--HG--
branch : 6.0

attendance.py

@@ -140,11 +140,12 @@ class Line(ModelSQL, ModelView):
                         attendance=record.rec_name,
                         period=period_date))
 
-    @fields.depends('employee', 'at')
+    @fields.depends('employee', 'at', 'id')
     def on_change_with_type(self):
         records = self.search([
                 ('employee', '=', self.employee),
                 ('at', '<', self.at),
+                ('id', '!=', self.id),
                 ],
             order=[('at', 'desc')],
             limit=1)