Issue with tabs plugin in Sanity causing code visibility problems

import { MdNoteAdd as icon } from "react-icons/md"
import Tabs from "sanity-plugin-tabs"

export default {
  name: "blogPost",
  title: "Blog Posts",
  type: "document",
  icon,
  inputComponent: Tabs,
  fieldsets: [
    { name: "main", title: "Main", options: { sortOrder: 10 } },
    { name: "seo", title: "SEO", options: { sortOrder: 20 } },
  ],
  fields: [
    {
      name: "main",
      title: "Main",
      type: "blogPostMain",
      fieldset: "main",
    },
    {
      type: "seoOptions",
      name: "seo",
      title: "SEO",
      fieldset: "seo",
    },
  ],
  preview: {
    select: {
      title: "main.title",
      media: "main.featuredImage",
    },
    prepare({ title, media }) {
      return {
        title,
        media,
      }
    },
  },
}