Update outstanding for self

[Bhavan23]

ref: 26385

Issues:

1. While making a return for a fully paid invoice with update outstanding for self disabled, the outstanding of the return against invoice goes to negative. As it isn't a return invoice, we are unable to reconcile it in Payment Reconciliation

Before:

issue_party.webm

After:

fix_party.webm

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2. While making return invoice for a common party with update outstanding for self disabled, the outstanding of the return against the invoice goes to negative and didn't post the reversal JV

Before:

issue_c_party.webm

After:

fix_c_party.webm

Backport Needed: v15 & v14