Resolve #3473580 "Postch handle spatial character and include house number addition simplicity"

make it simple, include fixes.

src/Controller/AddressAutocomplete.php

@@ -52,7 +52,10 @@ class AddressAutocomplete extends ControllerBase {
   public function handleAutocomplete(Request $request) {
     $input = $request->query->get('q');
     if (!empty($request->query->get('country'))) {
-      $input .= '||' . $request->query->get('country');
+      if ($request->query->get('country') !== "CH") {
+        // We will skip sending the request if the country was not Switzerland.
+        return new JsonResponse([]);
+      }
     }
     if (!empty($request->query->get('session_token'))) {
       $input .= '||' . $request->query->get('session_token');