`Schema.standardSchemaV1` should include the schema itself

[kwaa]

What version of Effect is running?

3.13.2

What steps can reproduce the bug?

import { JSONSchema, Schema } from 'effect'

const Person = Schema.Struct({
  name: Schema.optionalWith(Schema.NonEmptyString, { exact: true })
})

// TypeError: Cannot read properties of undefined (reading '_tag')
console.log(JSONSchema.make(Schema.standardSchemaV1(Person)))

What is the expected behavior?

Returns the json schema normally

What do you see instead?

TypeError: Cannot read properties of undefined (reading '_tag')

Additional information

No response

[mmkal]

@gcanti would you accept a PR fixing this?

My use case here: mmkal/trpc-cli#63