Adapt to EIP-1193 provider changes

[mcmire]

What is this about?

After SafeEventEmitterProvider is updated to support EIP-1193 and a new version of @metamask/eth-json-rpc-provider is released, we should adapt to the changes:

• We should upgrade @metamask/network-controller, as that will incorporate the changes to @metamask/eth-json-rpc-provider.
• At this point, calling sendAsync will be deprecated; we should use request instead.
  • We re-bind sendAsync in Engine.ts.
  • We also assume that the provider has a sendAsync method in AddressElement.test.tsx.

Scenario

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Design

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Technical Details

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Threat Modeling Framework

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References

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[desi]

Maybe blocked controller upgrades at the moment.