Currently, for some reason, you are not able to supply a custom nonce for ERC20 spend permission transactions.
This seems like a bit of an oversight because if your transaction is stuck and the MetaMask speed transaction up screen bugs like mine did, you have no way of resubmitting that transaction, because you can’t override the nonce on the give permission to spend ERC20 screen.
Please add a custom nonce field for permission transactions! I have 2 permission transactions stuck right now with no way of resubmitting them with their current nonces.