fix: re-execute add_standard_navbar_items patch

- check that same items aren't appended again
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index c686635..ff9433a 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -720,7 +720,7 @@
 erpnext.patches.v12_0.update_item_tax_template_company
 erpnext.patches.v13_0.move_branch_code_to_bank_account
 erpnext.patches.v13_0.healthcare_lab_module_rename_doctypes
-erpnext.patches.v13_0.add_standard_navbar_items #4
+erpnext.patches.v13_0.add_standard_navbar_items #2021-03-24
 erpnext.patches.v13_0.stock_entry_enhancements
 erpnext.patches.v12_0.update_state_code_for_daman_and_diu
 erpnext.patches.v12_0.rename_lost_reason_detail