[enhance] Add Issue Type and Opportunity Type masters (#11598)
* [enhance] added & linked Issue Type & Opportunity Type with opportunity
* [patch] create issue and opportunity type from the custom field if available
* [minor] issue_type and opportunity type should be mandatory
* [patches] removed try catch from the patch
* [fix] patch
* [refactor] cleanup issue/opportunity type
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 6cb87b6..5d522b2 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -462,3 +462,4 @@
execute:frappe.delete_doc_if_exists("DocType", "Program Fee")
erpnext.patches.v9_0.update_employee_loan_details
erpnext.patches.v9_2.delete_healthcare_domain_default_items
+erpnext.patches.v9_1.create_issue_opportunity_type