[FIX] account: fix taxes proposition in fiscal position of branch

Steps to reproduce:
- Install Accounting
- Go to "Settings / Users & Companies / Companies"
- Create a branch company (e.g. Branch Company) for a company (e.g. YourCompany)
- Switch to Branch Company
- Create a fiscal position

Issue:
It is not possible to select the taxes from the parent company in the
tax mapping.

opw-3850514

closes odoo#162872

Signed-off-by: Brice Bartoletti (bib) <bib@odoo.com>

addons/account/views/partner_view.xml

@@ -66,7 +66,7 @@
                                         domain="[
                                             ('type_tax_use', '!=', 'none'),
                                             ('country_id', '=', parent.company_country_id),
-                                            '|', ('company_id', '=', False), ('company_id', '=', parent.company_id)
+                                            '|', ('company_id', '=', False), ('company_id', 'parent_of', parent.company_id)
                                         ]"
                                         context="{'append_type_to_tax_name': True}"
                                     />
@@ -75,7 +75,7 @@
                                         domain="[
                                             ('type_tax_use', '!=', 'none'),
                                             ('country_id', '=', parent.country_id if parent.foreign_vat else parent.company_country_id),
-                                            '|', ('company_id', '=', False), ('company_id', '=', parent.company_id)]"
+                                            '|', ('company_id', '=', False), ('company_id', 'parent_of', parent.company_id)]"
                                         context="{'append_type_to_tax_name': True}"
                                     />
                                 </tree>