slapos_jio: Fixup catalog call

See merge request nexedi/slapos.core!536

master/bt5/slapos_jio/SkinTemplateItem/portal_skins/slapos_hal_json_style/Base_getAttentionPointList.py

@@ -34,7 +34,7 @@ if portal_type in ["Instance Tree", "Compute Node"]:
   for ticket in portal.portal_catalog(
       portal_type="Upgrade Decision",
       simulation_state="confirmed",
-      child_aggregate_relative_url=context.getUid(),
+      child_aggregate_relative_url=context.getRelativeUrl(),
       limit=1):
     entry = addAttentionForTicket(ticket)
     if entry is not None: