resolve: refuse invalid service without type field

Fixes Fixes #33935.

(cherry picked from commit b48ab08)
(cherry picked from commit 0195db6)
(cherry picked from commit 7b1bb6e)
(cherry picked from commit bafd8fc)

Author: yuwata

src/resolve/resolved-bus.c

@@ -1133,6 +1133,11 @@ static void resolve_service_all_complete(DnsQuery *query) {
         if (r < 0)
                 goto finish;
 
+        if (isempty(type)) {
+                r = reply_method_errorf(q, BUS_ERROR_NO_SUCH_SERVICE, "'%s' does not provide valid service", dns_query_string(q));
+                goto finish;
+        }
+
         r = sd_bus_message_append(
                         reply,
                         "ssst",