Allow eth_estimateUserOperationGas to pass in validateUserOp

[jimmychu0807]

Here is tenderly simulation:
https://dashboard.tenderly.co/shared/simulation/09d25a44-a765-44d1-b618-d79845452a8e

This is the data

{
  "id": 96,
  "method": "eth_estimateUserOperationGas",
  "params": [
    {
      "nonce": "0xbc564d498efa954eeb1169066d6ad1f82cc2a37b000000000000000000000004",
      "sender": "0x630dF3c09b72E348d8C196BfCAD1872E1f2399Cf",
      "factory": null,
      "callData": "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",
      "paymaster": "0x777777777777AeC03fd955926DbF81597e66834C",
      "signature": "0x000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      "factoryData": null,
      "callGasLimit": "0x1e8480",
      "maxFeePerGas": "0x10cac8",
      "paymasterData": "0x01000000000000000000000000cd91f19f0f19ce862d7bec7b7d9b95457145afc6f639c28fd0360f488937bfa41e6eedcd3a46054fd95fcd0e3ef6b0bc0a615c4d975eef55c8a3517257904d5b1c",
      "preVerificationGas": "0x493e0",
      "maxPriorityFeePerGas": "0x10c8e0",
      "verificationGasLimit": "0x5b8d80",
      "paymasterPostOpGasLimit": "0x1",
      "paymasterVerificationGasLimit": "0x0"
    },
    "0x0000000071727De22E5E9d8BAf0edAc6f37da032"
  ],
  "jsonrpc": "2.0"
}

The signature passed is 0xffff... which will not be accepted by SemaphoreValidator