Custom Role to grant Read Only Access to Change Orders

Summary:

A Custom Read Only Role is created using the following Privileges but still this Read Only Job Role is able to edit the Change Order Name, Change Order Description and Update the Change Order Status from Draft to Open.

Functional Privileges 
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Access Clipboard
Access Manufacturer Search
Browse Item
Get Search View REST
Get View Available Attribute REST
Manage Item Work List
Monitor Item Change Order Summary
Monitor Item Dashboard
Monitor Item Summary
Monitor Item Work Area
Monitor Product Management Workflow Objects
View Audit History
View Change History
View Change Order
View Change Request
View Item
View Item Class
View Item Change Order