[5.x] Ensure install:broadcasting is run when installing into Larav…

…el 11 application (#10335)

Co-authored-by: duncanmcclean <duncanmcclean@users.noreply.github.com>

src/Console/Commands/InstallCollaboration.php

@@ -56,15 +56,15 @@ public function handle()
 
     protected function enableBroadcasting(): void
     {
-        if (in_array(\Illuminate\Broadcasting\BroadcastServiceProvider::class, array_keys(app()->getLoadedProviders()))) {
-            $this->components->warn('Broadcasting is already enabled.');
+        if (version_compare(app()->version(), '11', '<')) {
+            $this->enableBroadcastServiceProvider();
+            $this->components->info('Broadcasting enabled successfully.');
 
             return;
         }
 
-        if (version_compare(app()->version(), '11', '<')) {
-            $this->enableBroadcastServiceProvider();
-            $this->components->info('Broadcasting enabled successfully.');
+        if (File::exists(config_path('broadcasting.php'))) {
+            $this->components->warn('Broadcasting is already enabled.');
 
             return;
         }