fix: incorrect against_account upon reposting

(cherry picked from commit 20c4098399)

erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py

@@ -413,7 +413,7 @@ class PurchaseInvoice(BuyingController):
 		for item in self.get("items"):
 			validate_account_head(item.idx, item.expense_account, self.company, "Expense")
 
-	def set_against_expense_account(self):
+	def set_against_expense_account(self, force=False):
 		against_accounts = []
 		for item in self.get("items"):
 			if item.expense_account and (item.expense_account not in against_accounts):
@@ -421,6 +421,10 @@ class PurchaseInvoice(BuyingController):
 
 		self.against_expense_account = ",".join(against_accounts)
 
+	def force_set_against_expense_account(self):
+		self.set_against_expense_account()
+		frappe.db.set_value(self.doctype, self.name, "against_expense_account", self.against_expense_account)
+
 	def po_required(self):
 		if frappe.db.get_value("Buying Settings", None, "po_required") == "Yes":
 			if frappe.get_value(

erpnext/accounts/doctype/repost_accounting_ledger/repost_accounting_ledger.py

@@ -149,6 +149,10 @@ def start_repost(account_repost_doc=str) -> None:
 						doc.make_gl_entries_on_cancel()
 
 					doc.docstatus = 1
+					if doc.doctype == "Sales Invoice":
+						doc.force_set_against_income_account()
+					else:
+						doc.force_set_against_expense_account()
 					doc.make_gl_entries()
 
 				elif doc.doctype in ["Payment Entry", "Journal Entry", "Expense Claim"]:

erpnext/accounts/doctype/sales_invoice/sales_invoice.py

@@ -768,6 +768,10 @@ class SalesInvoice(SellingController):
 				against_acc.append(d.income_account)
 		self.against_income_account = ",".join(against_acc)
 
+	def force_set_against_income_account(self):
+		self.set_against_income_account()
+		frappe.db.set_value(self.doctype, self.name, "against_income_account", self.against_income_account)
+
 	def add_remarks(self):
 		if not self.remarks:
 			if self.po_no and self.po_date: