Issue description

When the Satisfaction field is added to the Issue Edit Screen, the Satisfaction panel disappears whenever an issue is deleted

Steps to reproduce

1. Open a Service Desk issue that already has a Customer Satisfaction rating
2. Click on "Edit", don't change anything in the Edit form, then click on "Update".
3. Verify that the Customer Satisfaction panel is still here:
   
4. Click again on "Edit", and this time, then click on "Configure Fields" > "Where is my field?" and look for "Satisfaction"
   
   
5. Click on the link to the screen used by the Issue Edit Form and add the field "Satisfaction" to the screen:
   
6. Go back to the issue and click on "Update" (without updating any field in the ticket)

Actual Result

The "Customer Satisfaction" panel disappears:

Expected Result

The "Customer Satisfaction" panel should not disappear.

Suggestions for the resolution of this bug

2 options:

1. Either prevent the admin user from adding the "Satisfaction screen", since this field is not editable anyway.
2. Or prevent the "Update" button from clearing the "Customer Satisfaction" panel

Workaround

Don't include the "Satisfaction" field from the Edit screen.