fix(ui): prevent persisted sidebar restore animation

Remove Railpack example applications from the default seed data and update
seed tests to assert they are no longer created.

database/seeders/ApplicationSettingsSeeder.php

@@ -22,12 +22,5 @@ class ApplicationSettingsSeeder extends Seeder
             $gitlabPublic->settings->is_static = true;
             $gitlabPublic->settings->save();
         }
-
-        $railpackStatic = Application::where('uuid', 'railpack-static')->first();
-        if ($railpackStatic) {
-            $railpackStatic->load(['settings']);
-            $railpackStatic->settings->is_static = true;
-            $railpackStatic->settings->save();
-        }
     }
 }