Use @metamask/rpc-errors in approval-controller#1731

legobeat wants to merge 15 commits intoMetaMask:mrtenz/json-rpc-engine-and-utilsMetaMask/core:mrtenz/json-rpc-engine-and-utilsfrom

legobeat:json-rpc-engine-and-utilslegobeat/metamask-controllers:json-rpc-engine-and-utilsCopy head branch name to clipboard