fix(core): pushed fields not surfacing form errors

[harry-whorlow]

Relates to #1460

Pushing a new field to array fields, will result in a de-synced state between form errors and field errors, where the form is no longer submittable, however the errors are not surfaced to the field.

[nx-cloud]

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☁️ Nx Cloud last updated this comment at 2025-08-06 09:53:46 UTC

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commit: 10816f7