Overview: Controlled subfields of linked field are displayed in editable text box after link saving.
User can't edit and save "MARC bib" record with linked field until the linked field is deleted. 
Steps to Reproduce:

1. Log into Snapshot FOLIO environment as User with following permissions:
   Inventory: All permissions
   quickMARC: Can Link/unlink authority records to bib records
   MARC Authority: View MARC authority record
   quickMARC: View, edit MARC bibliographic record

2. Go to "Inventory" app.

3. Find and open detail view of imported "MARC bib" record (

1. )
   Search query ex.: "Black Panther"

2. Click on the "Actions" >> "Edit MARC bibliographic record"

3. Click on the "Link to MARC authority record" icon placed next to the "100" field.

4. Find and open imported "MARC authority" record (

1. )
   Search query ex.: "Coates, Ta-Nehisi"

2. Click on the "Link" button.

3. Click on the "Save & keep editing" button.

Expected Results: Controlled subfield ("$a") is displayed in the 4th read only box of "100" field.

Actual Results:
4th read only box is empty.
Controlled subfield ("$a") is displayed in the 5th editable box.

Additional Information: 
1) User can't edit and save record with saved linked field.
2) The "Link" was created when user clicked on the "Save & keep editing" button.
See screenshot:

3) See attached screencast:

Interested parties: