feat(wsgi): Add sentry.is_localhost for inbound filters

Author: sentrivana

sentry_sdk/integrations/wsgi.py

@@ -131,9 +131,7 @@ def __call__(
                         SPANDATA.SENTRY_IS_LOCALHOST,
                         _is_localhost(
                             client_ip=get_client_ip(environ),
-                            url_host=environ.get("SERVER_NAME")
-                            if not environ.get("HTTP_HOST")
-                            else None,
+                            url_host=environ.get("SERVER_NAME"),
                             host_header=environ.get("HTTP_HOST"),
                             forwarded_host_header=environ.get("HTTP_X_FORWARDED_HOST"),
                         ),