if transaction fails when saving edit work changeset, value! was called on Failure exception was raised

[elrayle]

Descriptive summary

When saving the edit work form for a new Valkyrie resource work, if a transaction fails, exception value! was called on Failure raised.

Rationale

Edit form for works should handle form transaction failures gracefully.

Expected behavior

When a transaction error occurs after saving a work edit form, the edit form should reload and a flash message should show the cause of the failure.

Actual behavior

When a transaction error occurs after saving a work edit form, an exception is raised.

Steps to reproduce the behavior

Prerequisite

edit save transaction step and force it to always fail

To Reproduce

1. navigate to: Dashboard -> Works
2. click select menu under Actions and select: Edit
3. change any metadata field value
4. click button: Save

The exception shown in Actual behavior will be raised.

Related work

Similar failure happens for validations.

[elrayle]

Fixed by PR #5448