[FIX] account: Partial revert of...

[FIX] account: Partial revert of https://github.com/odoo/odoo/commit/39fb6b2990e5d6fda0d5f12dbd64d26ef77b9d0c



It seems some ppl are sharing the same bank account accross multiple journals.

issues:
2527148
2527994
2527894
...

closes odoo/odoo#70676

Signed-off-by: oco-odoo <oco-odoo@users.noreply.github.com>

addons/account/models/account_journal.py

@@ -656,6 +656,9 @@ class AccountJournal(models.Model):
     def _get_journal_bank_account_balance(self, domain=None):
         ''' Get the bank balance of the current journal by filtering the journal items using the journal's accounts.
 
+        /!\ The current journal is not part of the applied domain. This is the expected behavior since we only want
+        a logic based on accounts.
+
         :param domain:  An additional domain to be applied on the account.move.line model.
         :return:        Tuple having balance expressed in journal's currency
                         along with the total number of move lines having the same account as of the journal's default account.
@@ -670,7 +673,6 @@ class AccountJournal(models.Model):
             ('account_id', 'in', tuple(self.default_account_id.ids)),
             ('display_type', 'not in', ('line_section', 'line_note')),
             ('move_id.state', '!=', 'cancel'),
-            ('journal_id', '=', self.id),
         ]
         query = self.env['account.move.line']._where_calc(domain)
         tables, where_clause, where_params = query.get_sql()