NF12 Unallocated Cash and Payment Selection Configurable Business Partner

NOTE: This is not yet integrated into core

Goal: Functional

Developer: Deepak Pansheriya

Feature Ticket: IDEMPIERE-5516

Description

1. Add B_UnallocatedCash_Acct columns on Business Partner-> Customer account and Business Partner Group-> Account.
2. Similarly add B_PaymentSelect_Acct columns on Business Partner-> Vendor account and Business Partner Group-> Account.
3. Remove this accounts from Bank/Cash-> Account->Accounting.
4. Correct defaulting logic on Business Partner Group as well as Business Partner accounting. As well as copy accounts process.
5. Make sure that on Payment and allocation posting, Account from Business Partner is used.

Link to the start of mattermost discussion: https://mattermost.idempiere.org/idempiere/pl/he13t3j8kbb55m3p77nmc3stke