fix: patch fix  (#19147)

diff --git a/erpnext/patches/v12_0/set_priority_for_support.py b/erpnext/patches/v12_0/set_priority_for_support.py
index 5096ed4..a5490ef 100644
--- a/erpnext/patches/v12_0/set_priority_for_support.py
+++ b/erpnext/patches/v12_0/set_priority_for_support.py
@@ -3,6 +3,7 @@
 def execute():
 	frappe.reload_doc("support", "doctype", "issue_priority")
 	frappe.reload_doc("support", "doctype", "service_level_priority")
+	frappe.reload_doc('support', 'doctype', 'issue')
 
 	set_issue_priority()
 	set_priority_for_issue()