Revamp e2e's error-checking mechanism

[alexfertel]

You can see our current strategy here. We should refactor it such that:

• We use the new alloy helper once it is published. See feat: add helper for decoding custom errors alloy-rs/alloy#1098
• We can easily check that these kinds of errors were returned

  rust-contracts-stylus/examples/erc721/tests/erc721.rs

  Lines 1120 to 1122 in 04c4148

  	// assert!(err.reverted_with(stylus_sdk::call::Error::Revert(
  	// b"ERC721ReceiverMock: reverting".to_vec()
  	// )));