WIP: Trying to throw real errors

Signed-off-by: Nikolai Rodionov <iam@allanger.xyz>

lib/features/authorization/presentation/login_form.dart

@@ -30,6 +30,7 @@ class _LoginForm extends ConsumerState<LoginForm> {
   Widget build(BuildContext context) {
     final state = ref.watch(authorizationControllerProvider);
     final controller = ref.read(authorizationControllerProvider.notifier);
+    final isLoading = state.isLoading;
     return SizedBox(
       width: 400,
       child: Form(
@@ -119,23 +120,14 @@ class _LoginForm extends ConsumerState<LoginForm> {
               width: double.infinity,
               child: Text("Forgot password?", textAlign: TextAlign.left),
             ),
-            ElevatedButton(
-              onPressed: _submitForm,
-              child: const Text('Log in'),
-              //  ) {
-              //    if (_formKey.currentState!.validate()) {
-              //      ScaffoldMessenger.of(context).showSnackBar(
-              //        const SnackBar(content: Text('Processing Data')),
-              //      );
-              //    }
-              //    _
-              //  },
-            ),
-            state.when(
-              loading: () => const CircularProgressIndicator(),
-              data: (_) => const SizedBox.shrink(),
-              error: (_, _) => const SizedBox.shrink(),
-            ),
+            ElevatedButton(onPressed: _submitForm, child: const Text('Log in')),
+            if (isLoading)
+              Positioned.fill(
+                child: Container(
+                  color: Colors.black.withValues(alpha: 0.2),
+                  child: const Center(child: CircularProgressIndicator()),
+                ),
+              ),
           ],
         ),
       ),