fix: whitedInvestors.isFrozen only returns false

[filo87]

query MyQuery {
  whitelistedInvestors {
    items {
      isFrozen
    }
  }
}

I should have at least one value (investor) returning isFrozen: true but they all return false
investor address: 0x423420ae467df6e90291fd0252c0a8a637c1e03f
pool Id: 281474976710657
tokenId: 0x00010000000000010000000000000001
tx: https://sepolia.etherscan.io/tx/0x8fa118e3d0491910af279df5600e2bb6092cd3d0beed181bbbe74521cef3ec79

[filo87]

Tracked here @kattylucy