File edit component updated to work for forms without access conditions.

[mspalti]

Description

Bug fix. Saving bitstream edits is failing when the submission form does not include access conditions. This PR adds a check that prevents access condition processing when the property doesn't exist in the form.

Instructions for Reviewers

This can be tested by removing access options from the UploadConfiguration (by removing all "ref" tags). Then upload and edit a bitstream in the submission form. Try to save the changes. Prior to applying this PR you should see an error in console.

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[nwoodward]

👍 Admittedly, I'm not sure why someone would remove all of the access conditions, but when I did so and deployed this locally it fixed the problem. The code looks good.

[tdonohue]

👍 Thanks @mspalti ! Tested this as well today and it works as described. It hides the access conditions from the UI if they are not enabled.

[dspace-bot]

Successfully created backport PR for dspace-7_x:

• [Port dspace-7_x] File edit component updated to work for forms without access conditions. #2810