Reduce nesting of login.dart

lib/login.dart

@@ -24,23 +24,17 @@ class _LoginPageState extends State<LoginPage> {
       loggingIn = true;
     });
 
-    try {
+    final provider = Provider.of<ZenithClientProvider>(context, listen: false);
-      final provider =
-          Provider.of<ZenithClientProvider>(context, listen: false);
     final client = Client("zenith");
+
+    try {
       await client.checkHomeserver(Uri.parse(serverController.text));
-      final result = await client.login(
+      await client.login(
         LoginType.mLoginPassword,
         password: passwordController.text,
         identifier: AuthenticationUserIdentifier(user: usernameController.text),
+        refreshToken: true,
       );
-      provider.setClient(client);
-
-      final prefs = await SharedPreferences.getInstance();
-      prefs.setString("homeserver", serverController.text);
-      prefs.setString("username", usernameController.text);
-      prefs.setString("accessToken", result.accessToken);
-      prefs.setString("refreshToken", result.refreshToken ?? "");
     } catch (error) {
       print(error);
       setState(() {
@@ -60,6 +54,12 @@ class _LoginPageState extends State<LoginPage> {
       });
     }
 
+    provider.setClient(client);
+    final prefs = await SharedPreferences.getInstance();
+    prefs.setString("homeserver", serverController.text);
+    prefs.setString("username", usernameController.text);
+    prefs.setString("password", passwordController.text);
+
     if (!mounted) return;
     Navigator.pushAndRemoveUntil(
         context,