Fix region lookup result handling in SerialConfigWizardDialog

Author: MichTronics

lib/core/regions/dutch_region_db.dart

@@ -31,7 +31,7 @@ class DutchRegionDb {
 
   static String info() {
     return 'Local Dutch region database: $entryCount locations, '
-        "${provinceCount} provinces. Source: MeshWiki Lijst van regio's.";
+        "$provinceCount provinces. Source: MeshWiki Lijst van regio's.";
   }
 
   static String provinces() {

lib/features/console/config_dialog.dart

@@ -395,7 +395,7 @@ class _SerialConfigWizardDialogState extends State<SerialConfigWizardDialog> {
       final result = DutchRegionDb.find(prefix);
       if (!mounted) return;
       setState(() {
-        _regionLookupResult = result ?? 'No response';
+        _regionLookupResult = result;
         _regionLookupCode = _parseRegionDbPrimaryCode(result);
       });
     } finally {