Data Import field mapping profile is saved with data deleted from the system

Overview: The user can save a mapping profile with data that has been deleted from the system.

Precondition: The user is authorized with  "Settings (Data import): Can view, create, edit, and remove" and "Settings (acquisition units): Can view, edit, create and delete acquisition units" permissions.

Steps to Reproduce:

1. Go to Settings->Acquisitions units
2. Create the value for the Acquisitions unit
3. Go to Settings >Data import>Field mapping profile
4. Click the invoice mapping profile from the list 
5. Click the Actions > Duplicate 
6. Change the value in the Name field 
7. Click on the 'Accepted values' button in the 'Acquisitions units' field.
8. Select the value, that you created in step 2
9. In a separate window, go back to the Acquisitions unit settings, and delete the value in that you created in step 2
10. Go back to the Data import duplicate mapping profile and  fill in all other required fields
11. Click the "Save as profile & Close" button

Expected Results: 

• The mapping profile cannot be saved because the 'Acquisitions units' field contains data that has been deleted.

• Error message is displayed for a field that contains invalid data.

Actual Results: The mapping profile was saved with the data in the fields that were deleted from the system.

Additional Information: See attached video