Fix UX: Inactivate Optional Accordions When No Data Is Present

[Samk13]

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Description

Hopefully closes: #1414 🤞

This PR cleans up several deposit form fields and accordion behaviors to reduce confusion for new users.
In demos, users often try to fill optional fields (e.g., Alternate Identifier, Related works, ...) because the red star suggests they are required.
By removing showEmptyValue and keeping accordions closed when no data is present, the form shows fewer empty optional fields and avoids misleading cues.

Key points:

• Prevents users from thinking optional fields are required.
• Accordion sections stay inactive when empty.
• Provides a cleaner and clearer initial form experience.

After:

Before:

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[tmorrell]

I'm 100% supportive of removing the blank fields which cause the confusing star to show up.

I think showing/hiding fields needs more community discussion. My opinion is funding and related works should be open, alternate identifiers and references closed.

I also think this is likely a v14 change.

[fenekku]

just linking the related existing issue: #1414

[RosaLo]

I agree with tmorrell that it would be good to have more community discussion on this. We reasoned that it would be logically consistent to have all sections that are non-obligatory "folded-in"/inactive accordions so that users shouldn't be confused with having non-obligatory fields marked with a * that we observed gave them a hint that they must fill in something in all of the fields with asterisk also in the non-obligatory sections. But there are surely several alternative ways to make the deposit form easier to understand for first-time end-users without losing options to add optional metadata.