Different 'name' value for system console LHS "Email" section + route name update (#5917)

* Different 'name' value for system console LHS "Email" section

Under Testing
-This is to create a unique ID for the Selenium UI Automiation

* Update the system console route because of the name change

for unique selenium ID

* Update admin_sidebar.jsx

* Update route_admin_console.jsx

webapp/components/admin_console/admin_sidebar.jsx

@@ -389,7 +389,7 @@ export default class AdminSidebar extends React.Component {
                                 }
                             >
                                 <AdminSidebarSection
-                                    name='email'
+                                    name='authentication_email'
                                     title={
                                         <FormattedMessage
                                             id='admin.sidebar.email'
@@ -469,7 +469,7 @@ export default class AdminSidebar extends React.Component {
                                 }
                             >
                                 <AdminSidebarSection
-                                    name='email'
+                                    name='notifications_email'
                                     title={
                                         <FormattedMessage
                                             id='admin.sidebar.email'