Overview: on the Edit Inventory Instances page: "Save & close" and "Save and keep editing" buttons are not disabled right after first click

Steps to reproduce:

1. Log in into Snapshot environment as admin user

2. Go to “Inventory” app

3. Find and open detail view of any “Instance” record with source = “FOLIO”

4. Click on the “Actions” in the third pane >> Select “Edit instance” option

5. Do any changes

6. Click on the “Save & close” / “Save & keep editing” button two times in a row

Expected result: “Save & close” and “Save & keep editing” buttons are disabled after first click.

Actual result: “Save & close” and “Save & keep editing” buttons could be clicked 2 times in a row, which leads to optimistic error.

See attached screencast: