fix: status-field dynamic filter missing some options

[adrianthedev]

Description

Fixes an issue where dynamic filters would not have options because they are not declared anywhere for the neutral state.
Now, that we declare them in the neutral_when option, the dynamic filters will know about them and display them.

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works

Screenshots

Manual review steps

1. Using avo-advanced
2. Change one project status field to something different xoxo
3. Go to the projects Index page and try to set a dynamic filter on status
4. Observe that the xoxo value is missing
5. now set the neutral_when value to field :status, as: :status, neutral_when: [:xoxo]
6. se the dynamic filter again and observe that the xoxo value is present.

Manual reviewer: please leave a comment with output from the test if that's the case.

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[github-actions]

This PR has been merged into main. The functionality will be available in the next release.

Please check the release guide for more information.