Folio crashes in quickmarc editor when cypress clears LDR field

Overview: related with fail of TC C353612. see steps in testrail - https://foliotest.testrail.io/index.php?/cases/view/353612

reproduced only by cypress test. Manually all work as expected/correctly.

Steps to reproduce:

1. Go to Inventory app
2. Import instance by existing OCLC number
3. Go to Marc Editor and try to clear LDR field 

Expected Results:

Field should be cleared 

Actual Results:

Folio returns error

There is link to test in spec.js file- https://github.com/folio-org/stripes-testing/blob/ac7e63685d0dd3bdab9f3a7452f8b61c40ef14b0/cypress/integration/quickmark/instance-quickmark.spec.js#L148

Discussed with Denys Bohdan . He will fix this point in folio frontend and I will recheck the result