* Delete localhost provider type
* Use ganache-cli default chain ID for tests
* Delete unused test firstTimeState variable
* Migrate default ganache-cli network to frequentRpcListDetail
* Add default test provider state
* Add test functionality to createJsonRpcClient
* Lint locales
* Update test middleware creation
* fixup! Update test middleware creation
* Remove network config store
* Remove inline networks variable in network controller
* Re-key network controller 'rpcTarget' to 'rpcUrl'
* Require chainId in lookupNetwork, implement eth_chainId
* Require chain ID in network form
* Add alert, migrations, and tests
* Add chainId validation to addToFrequentRpcList
* Update public config state selector to match new network controller
state
* Use network enums in networks-tab.constants
* Ensure chainId in provider config is current
* Update tests
This test mirrors the `localization` integration test. It only tests
the display of fiat currency on the home page, and it only tests one
currency (`php`).