[IMP] l10n_pe: Welcome PLE reports

Complement module to allow generate the PLE reports.

- Missing purchase tax groups and taxes added to complete the vendor
  bills flow
- Demo data completed to has data to allow generate the PLE reports
- Document types for vendor bills completed in the data
- Method to improve the domain in document types for customer invoices
  added
- Extend method to autocomplete the number on vendor bills with the
  standard expected by the document type.

closes odoo/odoo#118970

Related: odoo/enterprise#37382
Signed-off-by: Josse Colpaert <jco@odoo.com>