/home/ivoiecob/www/wp-content/plugins/elementor/migrations/operations/string-to-html.json

{
  "up": [
    {
      "op": {
        "fn": "set",
        "path": "$$type",
        "value": "html"
      }
    }
  ],
  "down": [
    {
      "op": {
        "fn": "set",
        "path": "$$type",
        "value": "string"
      }
    }
  ]
}

[F] string-to-html.json