[IMP] account: clean entry/move reversal

Task 2085023
* Add a field that replaces the context to get the ids of the
entries/invoices
* Remove move_id, we can use move_ids instead
* Add text to explain invioces/bills will create refunds

closes odoo/odoo#38857

Related: odoo/enterprise#6263
Signed-off-by: Quentin De Paoli (qdp) <qdp@openerp.com>