Hotfix: sc - 0.41.1, vm - 0.3.1

The token mappers are a little unusual, in that they not only handle storage, but they also send the call to issue a token. Token issuing is performed via an asynchronous call to a system smart contract. Between sending the call and receiving the callback it was possible to launch a second token, because the mapper was not being locked.

Github link: https://github.com/multiversx/mx-sdk-rs/releases/tag/v0.41.1

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