Generate multiple avatar sizes for better performance loading and frugal traffic

tests/Domain/SetupWizard/SetupWizardTest.php

@@ -272,7 +272,11 @@ class SetupWizardTest extends TestCase
 
         $this->assertNotNull($avatar);
 
-        Storage::assertExists($avatar);
+        collect(config('vuefilemanager.avatar_sizes'))
+            ->each(fn ($size) =>
+            Storage::disk('local')
+                ->assertExists("avatars/{$size['name']}-{$avatar}")
+            );
     }
 
     /**