Refactor imports and formatting in various Filament resources; add SMS sending helper function

app/Providers/Filament/AdminPanelProvider.php

@@ -3,11 +3,11 @@
 namespace App\Providers\Filament;
 
 use App\Filament\Pages\Auth\Login;
-use Filament\Pages\Dashboard;
+use App\Filament\Pages\Auth\Register;
 use Filament\Http\Middleware\Authenticate;
 use Filament\Http\Middleware\DisableBladeIconComponents;
 use Filament\Http\Middleware\DispatchServingFilamentEvent;
-use Filament\Pages;
+use Filament\Pages\Dashboard;
 use Filament\Panel;
 use Filament\PanelProvider;
 use Filament\Support\Colors\Color;
@@ -29,7 +29,7 @@ class AdminPanelProvider extends PanelProvider
             ->id('panel')
             ->path('panel')
             ->login(Login::class)
-            ->registration()
+            ->registration(Register::class)
             ->colors([
                 'primary' => Color::Amber,
             ])