storeSvg isn't working with GraphQL when using custom provider

[avodynamics]

Here's an example usage.
The GraphQL endpoint shows null for svg

import {defineField} from 'sanity'
import React from 'react'
import * as LucideIcons from 'lucide-react'

export const iconField = defineField({
  title: 'Icon',
  name: 'icon',
  type: 'iconPicker',
  options: {
    storeSvg: true,
    configurations: [
      {
        title: 'Lucide',
        provider: 'lucide',
        icons: (options) =>
          Object.entries(LucideIcons).map(([name, Component]) => ({
            name,
            component: () => <Component width="1.5em" height="1em" />,
            tags: [name],
          })),
      },
    ],
  },
})

[avodynamics]

Actually, it does work. The problem was that I had put icons into the documents and then changed the options without removing and re-adding the images again via the migration script.

I think this should be more clear in the sections descripting the storeSvg and the outputFormat options.