Update guest PWA v2 UI and likes

resources/lang/de/admin.php

@@ -417,6 +417,14 @@ return [
             'extend_expiry_missing' => 'Einladung nicht gefunden.',
             'extend_expiry_missing_date' => 'Bitte ein neues Ablaufdatum wählen.',
             'extend_expiry_success' => 'Ablauf der Einladung aktualisiert.',
+            'demo_read_only_action' => 'Demo-Modus',
+            'demo_read_only_label' => 'Nur-Lesen-Demo',
+            'demo_read_only_help' => 'Uploads und Schreibaktionen für diesen Link deaktivieren.',
+            'demo_read_only_heading' => 'Demo-Modus für :label',
+            'demo_read_only_heading_fallback' => 'Demo-Modus für Einladung',
+            'demo_read_only_missing' => 'Einladung nicht gefunden.',
+            'demo_read_only_success' => 'Demo-Modus aktualisiert.',
+            'demo_read_only_badge' => 'Demo (nur lesen)',
         ],
         'analytics' => [
             'success_total' => 'Erfolgreiche Zugriffe',

resources/lang/en/admin.php

@@ -413,6 +413,14 @@ return [
             'extend_expiry_missing' => 'Invitation not found.',
             'extend_expiry_missing_date' => 'Please select a new expiry.',
             'extend_expiry_success' => 'Invitation expiry updated.',
+            'demo_read_only_action' => 'Demo mode',
+            'demo_read_only_label' => 'Read-only demo',
+            'demo_read_only_help' => 'Disable uploads and write actions for this invitation link.',
+            'demo_read_only_heading' => 'Demo mode for :label',
+            'demo_read_only_heading_fallback' => 'Demo mode for invitation',
+            'demo_read_only_missing' => 'Invitation not found.',
+            'demo_read_only_success' => 'Demo mode updated.',
+            'demo_read_only_badge' => 'Demo (read-only)',
             'deprecated_notice' => 'Direct access via slug :slug has been retired. Share the invitations below or manage QR layouts in the admin app.',
             'open_admin' => 'Open admin app',
         ],