Issue Summary

When an object type has its Object Type User role configured, customer users cannot search for its objects in the Insight field in Portal.

Steps to Reproduce

1. Set up an Object Type in your schema
2. Go to Object type configuration > Roles tab
3. Add yourself in the Object Type User role under the User column
4. Configure the Insight field to have filter scope "objectType = <YOUR_OBJECT_TYPE>" in the Insight field configuration.
5. Log in as a Customer to raise a request that has the Insight field on it
6. Browse the Insight field

Expected Results

The Customer should see options in the dropdown

Actual Results

The dropdown shows "No options"

Workaround

Remove the roles from the Object Type User in object type configuration if possible.