Add file check for offline db sync

Check file `loggin.conf` in work dir, if logging enable

Change-Id: I914bf016c3188421a4bc068a7f31d9354bc9d97b
Related-Prod: PROD-22741 (ROD-22741)
diff --git a/heat/server.sls b/heat/server.sls
index 2caa2f4..86ccbd8 100644
--- a/heat/server.sls
+++ b/heat/server.sls
@@ -65,6 +65,8 @@
     - defaults:
         service_name: heat
         _data: {{ server.logging }}
+    - require_in:
+      - sls: heat.db.offline_sync
     - require:
       - pkg: heat_server_packages
 {%- if server.logging.log_handlers.get('fluentd', {}).get('enabled', False) %}