[ILM] Kibana should allow a min_age setting of 0ms in ILM policy phases

[jkelastic]

Summary

Fixes #50476

Checklist

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• This was checked for cross-browser compatibility, including a check against IE11
• Any text added follows EUI's writing guidelines, uses sentence case text and includes i18n support
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• This was checked for breaking API changes and was labeled appropriately
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[elasticmachine]

Pinging @elastic/es-ui (Team:Elasticsearch UI)

[elasticmachine]

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[cjcenizal]

@jkelastic Thanks for fixing this!! Would you mind resolving the merge conflicts? Once that's done I will test and review.

[jkelastic]

@cjcenizal sure no problem, I'll work on resolving the merge conflicts. Thanks.

[cjcenizal]

Closing in favor of #53719