[LS] Add Crypto identifier import back

[jribbink]

Closes #443

Description

Restores Crypto identifier import in LS

Caveat: It won't be available in WASM build. Unfortunately, as far as I remember flow-go (or one of its dependencies) has errors compiling to WASM. We now rely on stdlib.CryptoContractLocation from flow-go, so this is a bit of a blocker ATM (We could just hardcode the "Crypto" string because that's all this constant is, but it doesn't totally feel right to do so).

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[turbolent]

Thanks!

[turbolent]

Thanks! stdlib is actually Cadence's stdlib, so this might be not an issue. However, good point about using flow-go in WebAssembly builds being an issue, we'll also need to resolve that

[jribbink]

Thanks! stdlib is actually Cadence's stdlib, so this might be not an issue. However, good point about using flow-go in WebAssembly builds being an issue, we'll also need to resolve that

Oh, oops 😅 , I thought I imported that from flow-go. But yeah, the WASM issue exists for InternalEVM currently. I'll update the WASM build to include the Crypto contract then...