[FIX] account: support inherited CoA in tax update script

For companies having a Chart of Accounts that inherits from an ancestor CoA linked to the taxes, the current tax update script did not work.
This change also supports this case.

X-original-commit: 45aae69c20d40467d64af4c7e4f0b45b7832b89c
Part-of: odoo/odoo#110841

addons/account/models/chart_template.py

@@ -157,8 +157,8 @@ def update_taxes_from_templates(cr, chart_template_xmlid):
         )
 
     env = api.Environment(cr, SUPERUSER_ID, {})
-    chart_template_id = env['ir.model.data']._xmlid_to_res_id(chart_template_xmlid)
-    companies = env['res.company'].search([('chart_template_id', '=', chart_template_id)])
+    chart_template_id = env.ref(chart_template_xmlid).id
+    companies = env['res.company'].search([('chart_template_id', 'child_of', chart_template_id)])
     outdated_taxes = []
     new_taxes_template = []
     for company in companies: