[FIX] l10n_mn: update account chart template data

We correct the income/expense account and add
the stock input/output/valuation accounts.
Mn also uses Anglo-Saxon accounting.

Closes #34002

addons/l10n_mn/data/account.chart.template.csv

-id,property_account_receivable_id/id,property_account_payable_id/id,property_account_expense_categ_id/id,property_account_income_categ_id/id,income_currency_exchange_account_id/id,expense_currency_exchange_account_id/id
-mn_chart_1,account_template_1201_0201,account_template_3101_0201,account_template_7002_1101,account_template_5101_0201,account_template_5301_0201,account_template_5302_0201
+id,property_account_receivable_id/id,property_account_payable_id/id,property_account_expense_categ_id/id,property_account_income_categ_id/id,income_currency_exchange_account_id/id,expense_currency_exchange_account_id/id,property_stock_account_input_categ_id/id,property_stock_account_output_categ_id/id,property_stock_valuation_account_id/id
+mn_chart_1,account_template_1201_0201,account_template_3101_0201,account_template_6101_0101,account_template_5101_0101,account_template_5301_0201,account_template_5302_0201,account_template_1407_0101,account_template_1408_0101,account_template_1401_0101

addons/l10n_mn/data/account_chart_template_data.xml

@@ -10,6 +10,7 @@
         <field name="transfer_account_code_prefix">1109</field>
         <field name="code_digits">8</field>
         <field name="currency_id" ref="base.MNT"/>
+        <field name="use_anglo_saxon" eval="True"/>
     </record>
 
 </odoo>