How to generate intercompany balancing lines with same accounting combination on debit and credit

Summary:

We have a scenario:

End user creates a GL journal where debit and credit are not balance by BSV.

In this case, intercompany balancing lines should not be generated.

=⇒ or Cloud can generate/override balancing lines with same accounting combination on debit and credit.

Balancing segment values 101 and 999 are both associated to one LE.

End user creates this journal:
101-173510-0-0-0-0-503-0-0-0 D: 20 648,54
101-290341-0-0-0-0-999-0-0-0 D: 262 301,13
999-290341-0-0-0-0-101-0-0-0 C: 262 301,13
999-290341-0-0-0-0-503-0-0-0 C: 20 648,54