PR #3893 seems to break compatibility with @graphql-typed-document-node/core

[nborko]

Describe the bug

Using the latest 6.0.3 version of @urql/core:

I'm using graphql-codegen to generate document types, which uses @graphql-typed-document-node/core@^3.2.0. When using the latest version of @urql/core (via @urql/vue), with exactOptionalProperties enabled in tsconfig, I get (e.g. in useMutation):

TS2345: Argument of type 'TypedDocumentNode<DocType, Exact<{ input: InputType; }>>' is not assignable to parameter of type 'DocumentInput<DocType, Exact<{ input: InputType; }>>'.
...
    Type 'TypedDocumentNode<DocType, Exact<{ input: InputType; }>>' is not assignable to type '{ readonly tokenCount?: number; }' with 'exactOptionalPropertyTypes: true'.
Consider adding 'undefined' to the types of the target's properties.
      Types of property 'tokenCount' are incompatible.
        Type 'number | undefined' is not assignable to type 'number'.
          Type 'undefined' is not assignable to type 'number'.

Downgrading to 6.0.2 works.

Reproduction

See above.

Urql version

@urql/core@6.0.3

Validations

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[JoviDeCroock]

Should be fixed by 0no-co/graphql.web#77