chore: log modified invoices

(cherry picked from commit 30f59b09fd)

erpnext/patches/v13_0/modify_invalid_gain_loss_gl_entries.py

@@ -1,5 +1,6 @@
 from __future__ import unicode_literals
 
+import json
 import frappe
 
 
@@ -33,6 +34,9 @@ def execute():
 			parent
 	""", as_dict=1)
 
+if purchase_invoices + sales_invoices:
+	frappe.log_error(json.dumps(purchase_invoices + sales_invoices, indent=2), title="Patch Log")
+
 	for invoice in purchase_invoices + sales_invoices:
 		doc = frappe.get_doc(invoice.type, invoice.name)
 		doc.docstatus = 2