feat: auto create advance entry on invoice submission

erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py

@@ -415,6 +415,8 @@ class PurchaseInvoice(BuyingController):
 		self.update_project()
 		update_linked_doc(self.doctype, self.name, self.inter_company_invoice_reference)
 
+		self.process_common_party_accounting()
+
 	def make_gl_entries(self, gl_entries=None, from_repost=False):
 		if not gl_entries:
 			gl_entries = self.get_gl_entries()

erpnext/accounts/doctype/sales_invoice/sales_invoice.py

@@ -253,6 +253,8 @@ class SalesInvoice(SellingController):
 		if "Healthcare" in active_domains:
 			manage_invoice_submit_cancel(self, "on_submit")
 
+		self.process_common_party_accounting()
+
 	def validate_pos_return(self):
 
 		if self.is_pos and self.is_return: