Fix environment on search service indexing

Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Gode, Sebastian <sebastian.gode@t-systems.com>
Co-committed-by: Gode, Sebastian <sebastian.gode@t-systems.com>

otc_metadata/services.py

@@ -123,6 +123,9 @@ class Services(object):
         docs = []
 
         for service in self.all_services:
+            if "environment" in service:
+                if service["environment"] != environment:
+                    continue
             if not service["service_title"]:
                 continue
             if not service["service_type"]: