Release v6.10.0

• [fix] get_balance_on: convert date to string
• [enhancement] Int, Currency, Float, Percent as not null and default to 0
• Reload PO Item before patch
• [fix] Mapping from negative outstanding invoice
• [fix] Mapping from Payment Tool
• [fix] pull earning and deduction on change of employee
• [fixes] drop ship test case fixes
• [fix] Reserved and ordered qty fix for drop ship orders
• [fixes] overlapping allocation
• [fixes] test leave allocation record creation
• [fixes] test case fixes
• [fixes] hide drop ship section and typo
• [patch] mo drop shipment from purchase order to purchase order item
• [fixes] dropship fixes
• [minor] fixed description
• improve mode_of_payment validate_accounts
• [fix] Don't add pagebreak in print format if terms contains only spaces and newlines
• [minor] remove feedback line from digest
• Mode of Payment validate
• [fix] injection
• [fix] Check Purchase Receipt mandatory only for stock items
• [fix] Allowed Equity accounts in closing account in Period Closing Voucher
• [fix] Set user_id as Reply-To in birthday reminder emails