VHS-Karten integriert, Bildzoom ergänzt und Chat-IDs korrigiert

Unterschriftenerfassung dauerhaft auf Deutsch anzeigen, lokale VHS-Buildkonfiguration und Regressionstests ergänzen sowie Version auf 357.0.0+357 anheben.

lib/popups/tasks_popups/signature_popup.dart

@@ -13,7 +13,7 @@ showSignaturePopup(BuildContext context, TaskInfo taskInfo, Function(String?) on
             canPop: false,
             onPopInvokedWithResult: (bool didPop, dynamic result) async {
               if (!didPop) {
-                final shouldPop = await taskDialogSecurityException(context);
+                final shouldPop = await taskDialogSecurityException(context, language: AppLanguage.german);
                 if (shouldPop) {
                   SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
                   if (context.mounted) {
@@ -79,13 +79,18 @@ showSignaturePopup(BuildContext context, TaskInfo taskInfo, Function(String?) on
                                   ),
                                 ),
                                 getDefaultButton(
-                                    'apply'.tr,
+                                    AppLocalizations.tr('apply', language: AppLanguage.german),
                                     buttonHeight: 50,
                                     () => {
                                           if (controller.points.length > 50)
                                             {Navigator.of(context).pop(), onFinished(convertPoints(controller.points))}
                                           else
-                                            {showAlertDialog('error'.tr, 'signature_too_short'.tr)}
+                                            {
+                                              showAlertDialog(
+                                                AppLocalizations.tr('error', language: AppLanguage.german),
+                                                AppLocalizations.tr('signature_too_short', language: AppLanguage.german),
+                                              )
+                                            }
                                         })
                               ],
                             ),