bug: Invalid N + 1 detection

[tusharmath]

Running tailcall check produces duplicate N + 1 checks:

tailcall --version; tailcall check -n ./main.graphql
tailcall v0.129.1
 INFO File read: ./.tailcallrc.graphql ... ok
 INFO File read: ./main.graphql ... ok
 INFO Config ./main.graphql ... ok
 INFO N + 1 detected: 2
query { posts { user { posts } } }
query { posts { user { posts } } }

schema @server @upstream(batch: { delay: 1 }) {
  query: Query
}

type Query {
  users: [User] @http(url: "https://jsonplaceholder.typicode.com/users")
  posts: [Post] @http(url: "https://jsonplaceholder.typicode.com/posts")
}

type User {
  id: ID!
  name: String!
  posts: [Post]
    @http(
      url: "https://jsonplaceholder.typicode.com/posts?userId={{.value.id}}"
    )
}

type Post {
  id: ID!
  title: String!
  userId: ID!
  user: User
    @http(
      url: "https://jsonplaceholder.typicode.com/users"
      query: [{ key: "id", value: "{{.value.userId}}" }]
      batchKey: ["id"]
      dedupe: true
    )
}

[tusharmath]

/bounty $200

[algora-pbc]

💎 $200 bounty • Tailcall Inc.

Steps to solve:

1. Start working: Comment /attempt #3161 with your implementation plan
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Attempt	Started (GMT+0)	Solution
🟢 @dekkku		#3166

[meskill]

this is already fixed by #2978