fix: show name of the employee in general ledger report

(cherry picked from commit 70411ec086)

erpnext/accounts/report/general_ledger/general_ledger.py

@@ -351,6 +351,9 @@ def get_party_name_map():
 
 	suppliers = frappe.get_all("Supplier", fields=["name", "supplier_name"])
 	party_map["Supplier"] = {s.name: s.supplier_name for s in suppliers}
+
+	employees = frappe.get_all("Employee", fields=["name", "employee_name"])
+	party_map["Employee"] = {e.name: e.employee_name for e in employees}
 	return party_map