[FIX] l10n_sa: missing reverse charge entry on tax 15% RC

Steps to reproduce:
- With a SA Company setup
- Create a Vendor Bill
- Add a Service product and apply 15% R C tax
- Confirm

Issue: The reverse charge account is not hit by the tax amount, no
reverse charge entry is created and it does not show on the VAT filling
report

opw-4755993

closes odoo#218897

X-original-commit: 9635fda
Signed-off-by: Olivier Colson (oco) <oco@odoo.com>
Signed-off-by: Andrea Grazioso (agr) <agr@odoo.com>

Author: agr-odoo

addons/l10n_sa/data/template/account.tax-sa.csv

@@ -21,8 +21,10 @@
 "","","","","","","","","","tax","refund","-7. Standard rated 15% Purchases (Tax)","sa_account_104041","",""
 "sa_rcp_tax_15","15% R C","purchase","15.0","percent","","Reverse charge provision Tax 15%","sa_tax_group_taxes_15","service","base","invoice","+9. Imports subject to reverse charge mechanism (Base)","","","الاستيرادات الخاضعة لضريبة القيمة المضافة التي تُطبق عليها آلية الاحتساب العكسي %15"
 "","","","","","","","","","tax","invoice","+9. Imports subject to reverse charge mechanism (Tax)","sa_account_104041","",""
+"","","","","","","","","","tax","invoice","+9. Imports subject to reverse charge mechanism (Tax)","sa_account_201017","-100",""
 "","","","","","","","","","base","refund","-9. Imports subject to reverse charge mechanism (Base)","","",""
 "","","","","","","","","","tax","refund","-9. Imports subject to reverse charge mechanism (Tax)","sa_account_104041","",""
+"","","","","","","","","","tax","refund","-9. Imports subject to reverse charge mechanism (Tax)","sa_account_201017","-100",""
 "sa_import_tax_paid_15_paid_to_customs","15% EX","purchase","15.0","percent","","Import tax 15% Paid to customs","sa_tax_group_taxes_other","","base","invoice","+8. Taxable Imports 15% Paid to Customs (Base)","","","الاستيرادات الخاضعة لضريبة القيمة المضافة بالنسبة الأساسية و التي تدفع في الجمارك %15"
 "","","","","","","","","","tax","invoice","+8. Taxable Imports 15% Paid to Customs (Tax)","sa_account_101060","",""
 "","","","","","","","","","base","refund","-8. Taxable Imports 15% Paid to Customs (Base)","","",""