Type checker complains when redefining type after include.

This gives a type error:
```rescript
module A = {
  type t = int
}

module B = {
  include A
  type t = string
}
```

```
We've found a bug for you!
  tst.res:8:8

   6 │   include A
   7 │ 
   8 │   type t = string
   9 │ }
  10 │ 

```