[FIX] account: prevent change restrict mode hash

In case of an user can edit account.journal and have no access of all account.move of this journal, the user can set to false this field : restrict_mode_hash_table.

closes odoo/odoo#111184

Signed-off-by: Nicolas Viseur (vin) <vin@odoo.com>

addons/account/models/account_journal.py

@@ -451,8 +451,8 @@ class AccountJournal(models.Model):
                     if bank_account.partner_id != company.partner_id:
                         raise UserError(_("The partners of the journal's company and the related bank account mismatch."))
             if 'restrict_mode_hash_table' in vals and not vals.get('restrict_mode_hash_table'):
-                journal_entry = self.env['account.move'].search([('journal_id', '=', self.id), ('state', '=', 'posted'), ('secure_sequence_number', '!=', 0)], limit=1)
-                if len(journal_entry) > 0:
+                journal_entry = self.env['account.move'].sudo().search([('journal_id', '=', self.id), ('state', '=', 'posted'), ('secure_sequence_number', '!=', 0)], limit=1)
+                if journal_entry:
                     field_string = self._fields['restrict_mode_hash_table'].get_description(self.env)['string']
                     raise UserError(_("You cannot modify the field %s of a journal that already has accounting entries.", field_string))
         result = super(AccountJournal, self).write(vals)