[FIX] hr_expense: clean context when click cancel for expense sheet

The context before click button cancel in expense sheet not cleaned yet.

closes odoo/odoo#100288

X-original-commit: 6f8d3d989cc024c8e5b3e9e1a6b2f4af636721d6
Signed-off-by: Kevin Baptiste <kba@odoo.com>

addons/hr_expense/models/hr_expense.py

@@ -1076,6 +1076,7 @@ class HrExpenseSheet(models.Model):
         return res
 
     def action_unpost(self):
+        self = self.with_context(clean_context(self.env.context))
         for sheet in self:
             move = sheet.account_move_id
             sheet.account_move_id = False