Enhancement Request-Unable to merge 2 lines in GL after using same account for freight & Item

Need Vote to develop the data fix from oracle. Please go through the analysis.

We are following cash ledger for reporting & audit purpose. We found ,while creating journal for payment, there is a split of amount into 95% & 5% happening in line of journals in cash ledger/secondary debit side, no split in credit side. But while creating journal for payment in accrual /primary ledger ,there is no split of amount for payment . (Customer has not complained as same account is splitting and they concern about reporting data)

Note: a)In details, we have created a custom solution for vat for Invoice in KSA. As