* 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
* Ensure home screen does not render if there are unapproved txs (#6501)
* Ensure that the confirm screen renders before the home screen if there are unapproved txs.
* Only render confirm screen before home screen on mount.
* inpage - revert _metamask api to isEnabled isApproved isUnlocked