Why does transform get applied 4 times?

[pixeldrew]

I am using a custom transform and it is applied 4 times to the same schema, why is that?

As an example:
https://codesandbox.io/p/github/pixeldrew/graphql-transform-test/draft/blissful-rosalind?create=true&file=%2Fsrc%2Findex.js

[ardatan]

See #4648