[FIX] hr_holidays: allocation name

When creating an allocation request by employee tag, the name contains
'False on...'.

opw-703893

Author: nim-odoo

addons/hr_holidays/models/hr_holidays.py

@@ -330,7 +330,7 @@ def _onchange_date_to(self):
     def name_get(self):
         res = []
         for leave in self:
-            res.append((leave.id, _("%s on %s : %.2f day(s)") % (leave.employee_id.name, leave.holiday_status_id.name, leave.number_of_days_temp)))
+            res.append((leave.id, _("%s on %s : %.2f day(s)") % (leave.employee_id.name or leave.category_id.name, leave.holiday_status_id.name, leave.number_of_days_temp)))
         return res
 
     def _check_state_access_right(self, vals):