ink-to-evm: invalid EVM context

[zabuxx]

The current encoding uses old weight format:

XVM_PRECOMPILE.xvm_call("\x1f\x00", contract_address, buffer);

while to work with WeightsV2 this should be:

XVM_PRECOMPILE.xvm_call("\x1f\x00\x00\x00\x00", contract_address, buffer);