- Remove FEC from res.config.settings - everything is now linked in the import guide (in enterprise)
- Compute debit and credit from opening_balance
- Update import templates for account.account, account.move, res.partner
- Small UI changes in base_import: add an action title and improve the template button design
task-2888243
closesodoo/odoo#96291
Related: odoo/enterprise#29627
Related: odoo/upgrade#3794
Signed-off-by: Cedric Snauwaert <csn@odoo.com>