feat: show decoded calldata on transaction signing

[antazoey]

What I did

so now it does

In [2]: contract.getVaults.transact(0, "0x0123", sender=me)
DynamicFeeTransaction:
  chainId: 11155111
  to: 0x0f33cbCDCc47EF243fe6a77daBad98C1017A9462
  from: 0x111a95fC5359edE5d5dDc4f10A1F4B680694853E
  gas: 25293
  nonce: 78
  value: 0
  data: getVaults(fromIdx=0, user=0x0123)
  type: 2
  maxFeePerGas: 1827450838
  maxPriorityFeePerGas: 1000000
  accessList: []

Sign:  [y/N]: 

How I did it

How to verify it

Checklist

• All changes are completed
• Change is covered in tests
• Documentation is complete