Update partner packages, copy, and demo switcher

app/Http/Controllers/Api/PackageController.php

@@ -277,13 +277,13 @@ class PackageController extends Controller
                     'purchased_at' => now(),
                 ]);
             } else {
-                // Reseller subscription
+                // Partner / reseller Event-Kontingent package
                 \App\Models\TenantPackage::create([
                     'tenant_id' => $tenant->id,
                     'package_id' => $package->id,
                     'price' => $package->price,
                     'purchased_at' => now(),
-                    'expires_at' => now()->addYear(),
+                    'expires_at' => null,
                     'active' => true,
                 ]);
             }