Add heat user for heat-manage command

Change-Id: I9677a152deb42dc3c939b086a9ec6f19d2cc21ab
Related-Prod: PROD-26062
diff --git a/heat/db/offline_sync.sls b/heat/db/offline_sync.sls
index 820e083..f46cfd6 100644
--- a/heat/db/offline_sync.sls
+++ b/heat/db/offline_sync.sls
@@ -3,6 +3,7 @@
 heat_syncdb:
   cmd.run:
   - name: heat-manage db_sync
+  - runas: 'heat'
   {%- if grains.get('noservices') or server.get('role', 'primary') == 'secondary' %}
   - onlyif: /bin/false
   {%- endif %}