[FIX] point_of_sale: Fix initial balance for bank type

The balance start should only be set with the ending balance of the
previous session when journal type  is 'cash'. When the journal type
is 'bank', it must be 0.

Fine tuning of this commit: 46d0b461cd

opw:1981984

closes odoo/odoo#34735

Signed-off-by: Simon Goffin (sig) <sig@openerp.com>

addons/point_of_sale/models/pos_session.py

@@ -209,7 +209,7 @@ class PosSession(models.Model):
                 'journal_id': journal.id,
                 'user_id': self.env.user.id,
                 'name': pos_name,
-                'balance_start': self.env["account.bank.statement"]._get_opening_balance(journal.id)
+                'balance_start': self.env["account.bank.statement"]._get_opening_balance(journal.id) if journal.type == 'cash' else 0
             }
 
             statements.append(ABS.with_context(ctx).sudo(uid).create(st_values).id)

doc/cla/individual/dorcyv.md

@@ -0,0 +1,11 @@
+France, 2019-07-04
+
+I hereby agree to the terms of the Odoo Individual Contributor License
+Agreement v1.0.
+
+I declare that I am authorized and able to make this agreement and sign this
+declaration.
+
+Signed,
+
+Valérian Dorcy valerian.dorcy@gmail.com https://github.com/dorcyv