Adds toggle for primary currency (#5421)

* Add UnitInput component

* Add CurrencyInput component

* Add UserPreferencedCurrencyInput component

* Add UserPreferencedCurrencyDisplay component

* Add updatePreferences action

* Add styles for CurrencyInput, CurrencyDisplay, and UnitInput

* Update SettingsTab page with Primary Currency toggle

* Refactor currency displays and inputs to use UserPreferenced displays and inputs

* Add TokenInput component

* Add UserPreferencedTokenInput component

* Use TokenInput in the send screen

* Fix unit tests

* Fix e2e and integration tests

* Remove send/CurrencyDisplay component

* Replace diamond unicode character with Eth logo. Fix typos

1 files changed, 13 insertions, 0 deletions

diff --git a/ui/app/components/user-preferenced-currency-input/user-preferenced-currency-input.container.js b/ui/app/components/user-preferenced-currency-input/user-preferenced-currency-input.container.js
new file mode 100644
index 000000000..397cdc7cc
--- /dev/null
+++ b/ui/app/components/user-preferenced-currency-input/user-preferenced-currency-input.container.js
@@ -0,0 +1,13 @@
+import { connect } from 'react-redux'
+import UserPreferencedCurrencyInput from './user-preferenced-currency-input.component'
+import { preferencesSelector } from '../../selectors'
+
+const mapStateToProps = state => {
+  const { useETHAsPrimaryCurrency } = preferencesSelector(state)
+
+  return {
+    useETHAsPrimaryCurrency,
+  }
+}
+
+export default connect(mapStateToProps)(UserPreferencedCurrencyInput)