ERC721 and costs

[zillerium]

Describe the bug
A ERC721 token is assigned to a wallet address using MM. Then when a transfer is done, the cost displayed is distorted by the token number.

To Reproduce
Steps to reproduce the behavior:
1.Assign a tokenid.
2. Transfer a tokenid.

Expected behavior
The cost should be be affected by the tokenid value.

Screenshots
https://ethereum.stackexchange.com/questions/67125/erc721-how-is-gas-worked-out-with-tokenid/67136#67136

[bdresser]

This will be handled in #5230