Update WebSocketsServiceProvider.php

Use schema check instead of class name check.

Author: robindrost

src/WebSocketsServiceProvider.php

@@ -16,6 +16,7 @@
 use Illuminate\Support\Facades\Gate;
 use Illuminate\Support\Facades\Route;
 use Illuminate\Support\ServiceProvider;
+use Illuminate\Support\Facades\Schema
 
 class WebSocketsServiceProvider extends ServiceProvider
 {
@@ -25,7 +26,7 @@ public function boot()
             __DIR__.'/../config/websockets.php' => base_path('config/websockets.php'),
         ], 'config');
 
-        if (! class_exists('CreateWebSocketsStatisticsEntriesTable')) {
+        if (!Schema::hasTable('websockets_statistics_entries')) 
             $this->publishes([
                 __DIR__.'/../database/migrations/create_websockets_statistics_entries_table.php.stub' => database_path('migrations/'.date('Y_m_d_His', time()).'_create_websockets_statistics_entries_table.php'),
             ], 'migrations');