[fix:] international postcodes were trimmed as if they are german

Tasks/AddressCreation.cs

@@ -64,12 +64,8 @@ public static class AddressCreator
         // let's get started: we start from the bottom
         // if the country is not Germany, set it; try to map via Global countries alternatives -> translation
         var trimmedLand = (address.land ?? "").Trim();
-        var trimmedLowerLand = trimmedLand.ToLower();
-        var isGermany = trimmedLowerLand == "germany" || trimmedLowerLand == "ger" ||
-                        trimmedLowerLand == "" || trimmedLowerLand == "de" ||
-                        trimmedLowerLand == "deutschland";
 
-        if (!isGermany)
+        if (!address.IsGermany())
         {
             var countryToShow = trimmedLand; // default: use raw land value
 
@@ -104,7 +100,9 @@ public static class AddressCreator
         // Alternative A: pplz valid and city existing
         if (!string.IsNullOrEmpty(address.ort) && CheckPLZ(address.pplz, address.land))
         {
-            string pplz = NormalizeGermanPLZ(address.pplz);
+            string pplz = address.pplz;
+            if (address.IsGermany()) pplz = NormalizeGermanPLZ(address.pplz);
+            
             KasPerson.SetUsedPLZ(id, pplz);
             string_address = pplz + " " + address.ort + "\n" + string_address;
             address_line_count++;
@@ -152,7 +150,10 @@ public static class AddressCreator
         } // Alternative B: plz valid and city existing 
         else if (!string.IsNullOrEmpty(address.ort) && CheckPLZ(address.plz, address.land))
         {
-            string plz = NormalizeGermanPLZ(address.plz);
+            string plz = address.plz;
+            if (address.IsGermany()) plz = NormalizeGermanPLZ(address.plz);
+
+            
             KasPerson.SetUsedPLZ(id, plz);
             string_address = plz + " " + address.ort + "\n" + string_address;
             address_line_count++;