Task 1906794
Description of the issue/feature this PR addresses:
Current behavior before PR:
accounting settings are messy, with invoice & accounting settings mixed up
Desired behavior after PR is merged:
> restructure with Invoicing options first, then Accounting stuff
> move default sending options into "Customer Invoices" section, as first option
> new common section for vendor bill options
closesodoo/odoo#29170
wan
aab9255357