[R20-1981] fix search listing dropdowns

[lambry]

Issue: https://digital-vic.atlassian.net/browse/R20-1981

What I did

• Fix the search listing dropdowns that use elasticsearch, ref: https://www.v2.www.vic.gov.au/family-violence-recommendations
• Also updated the min_doc_count param so 'empty' results are only returned when using dynamicAggregations, this essentially reverts the default behavior back to how it was, i.e elastic aggregation only return items with docs

Issue

Checklist

For all PR's

• I've added relevant changes to the project Readme if needed.
• I've updated the documentation site as needed.
• I have added unit tests to cover my changes (if not applicable, please state why in a comment)

For new components only

• I have added a story covering all variants
• I have checked a11y tab in storybook passes
• Any events are emitted on the event bus

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