@@unique with multiple fields cause error when findUnique()

[ymc9]

Describe the bug

model Model {
        id String @id @default(uuid())
        a String
        b String
        @@unique([a, b])
        @@allow('all', true)
}

await withPresets(prisma).model.findUnique({ where: { a_b: { a: 'a', b: 'b' } } }));

Error

Invalid prisma.model.findMany() invocation:

{
  where: {
    AND: [
      {
        a_b: {
        ~~~
          a: 'a1',
          b: 'b1'
        }
      },
      {
        x: {
          gt: 0
        }
      }
    ]
  }
}

[ymc9]

Resolved in 1.0.0-alpha.31