Remove bottom bar for webview

lib/managers/connection_manager.class.dart

@@ -15,6 +15,7 @@ class ConnectionManager {
   String displayHostname;
   String _webSocketAPIEndpoint;
   String httpWebHost;
+  String httpWebHostWithExtAuth;
   String _token;
   String _tempToken;
   String oauthUrl;
@@ -51,6 +52,12 @@ class ConnectionManager {
       "${prefs.getString('hassio-protocol')}://$_domain:$_port/api/websocket";
       httpWebHost =
       "${prefs.getString('hassio-res-protocol')}://$_domain:$_port";
+      httpWebHostWithExtAuth = httpWebHost;
+      if (httpWebHostWithExtAuth.contains("?")) {
+        httpWebHostWithExtAuth += "&external_auth=1";
+      } else {
+        httpWebHostWithExtAuth += "?external_auth=1";
+      }
       if ((_domain == null) || (_port == null) ||
           (_domain.isEmpty) || (_port.isEmpty)) {
         completer.completeError(HAError.checkConnectionSettings());

lib/pages/main/main.page.dart

@@ -867,18 +867,11 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
           )
       );
     } else if (ConnectionManager().settingsLoaded && ConnectionManager().useWebView) {
-      String webUIurl = ConnectionManager().httpWebHost;
-      if (webUIurl.contains("?")) {
-        webUIurl += "&external_auth=1";
-      } else {
-        webUIurl += "?external_auth=1";
-      }
       return WebviewScaffold(
-        url: webUIurl,
+        url: ConnectionManager().httpWebHostWithExtAuth,
         primary: false,
         debuggingEnabled: true,
-        appBar: EmptyAppBar(),
-        bottomNavigationBar: bottomBar,
+        appBar: EmptyAppBar()
       );
     } else {
       if (HomeAssistant().isNoViews) {