Cannot filter by publicationState on admin Panel

I have made custom plugin on admin panel to filter publicationState by checking publishedAt null or not but after updating to 4.8.2 it stopped working but it was working till 4.7.1[i18n][locale]=en&filters[$and][0][publishedAt][$null]=true

above one URl was fine till 4.7.1[i18n][locale]=en&filters[$and][0][publishedAt][$null]=true&publicationState=preview

but after upgrading strapi its not working as I put publicationState=preview as described in docs

System Information
  • Strapi Version : 4.8.2
  • Operating System : linux
  • Database: Postgresql
  • Node Version:v16.18.0
  • NPM Version: 9.6.2

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