New account selector UI in top bar (#7179)

* Add a dropdown popup for account selector

* Install sui latest version for hideOnScroll bug fix

* Update ui

* Update package-lock after rebase

* Require parity/ui v3.0.3

* Pass accountStore as props

* Require parity/ui v3.0.4

js/src/Status/DefaultAccount/defaultAccount.css

@@ -0,0 +1,38 @@
+/* Copyright 2015-2017 Parity Technologies (UK) Ltd.
+/* This file is part of Parity.
+/*
+/* Parity is free software: you can redistribute it and/or modify
+/* it under the terms of the GNU General Public License as published by
+/* the Free Software Foundation, either version 3 of the License, or
+/* (at your option) any later version.
+/*
+/* Parity is distributed in the hope that it will be useful,
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+/* GNU General Public License for more details.
+/*
+/* You should have received a copy of the GNU General Public License
+/* along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+.defaultAccount {
+  cursor: pointer;
+}
+
+.popup {
+  padding: 0 !important;
+}
+
+.list {
+  margin: 0 !important;
+  padding: 1em 1em !important;
+  background-color: #f5f5f5;
+}
+
+.isDefault {
+  background-color: white;
+}
+
+.hasOtherAccounts {
+  border-bottom: 1px solid #D4D4D5;
+}