PostCH handle spatial character and include house number addition

Closes #3473580

src/Plugin/AddressProvider/PostCh.php

@@ -78,16 +78,17 @@ class PostCh extends AddressProviderBase {
     $results = [];
 
     foreach ($addresses as $address) {
-      $street_name = Xss::filter($address->Streetname);
-      $house_number = Xss::filter($address->HouseNumber);
-      $zip_code = Xss::filter($address->Zipcode);
-      $town_name = Xss::filter($address->TownName);
+      $street_name = $address->StreetName;
+      $house_number = $address->HouseNo;
+      $zip_code = $address->ZipCode;
+      $town_name = $address->TownName;
+      $house_number_addition = $address->HouseNoAddition;
 
       $results[] = [
-        'street_name' => $street_name . " " . $house_number,
+        'street_name' => $street_name . " " . $house_number . $house_number_addition,
         'zip_code' => $zip_code,
         'town_name' => $town_name,
-        'label' => $street_name . " " . $house_number . " " . $zip_code . " " . $town_name,
+        'label' => $street_name . " " . $house_number . $house_number_addition . " " . $zip_code . " " . $town_name,
       ];
     }