* Swaps support for local testnet
* Create util method for comparison of token addresses/symbols to default swaps token
* Get chainId from txMeta in _trackSwapsMetrics of transaction controller
* Add comment to document purpose of getTransactionGroupRecipientAddressFilter
* Use isSwapsDefaultTokenSymbol in place of repeated defaultTokenSymbol comparisons in build-quote.js
* Add useSwapsEthToken hook and utilize wherever we need the ETH 'token' for swaps
* Remove rawEthTokens param from useTokensToSearch calls
Co-authored-by: Mark Stacey <markjstacey@gmail.com>
Co-authored-by: Erik Marks <rekmarks@protonmail.com>