Refactor the watcher dashboard enable file

We should refactor the watcher dashboard enable file, and this will keep
watcher more consist with horizon

Change-Id: Ia4cf981b10adcb0d8f3893b755c1a90fd267c491

devstack/plugin.sh

@@ -7,7 +7,7 @@ function install_watcher_dashboard {
 }
 
 function configure_watcher_dashboard {
-    cp -a ${WATCHER_DASHBOARD_DIR}/watcher_dashboard/enabled/* ${DEST}/horizon/openstack_dashboard/local/enabled/
+    cp -a ${WATCHER_DASHBOARD_DIR}/watcher_dashboard/local/enabled/* ${DEST}/horizon/openstack_dashboard/local/enabled/
     cp -a ${WATCHER_DASHBOARD_DIR}/watcher_dashboard/conf/* ${DEST}/horizon/openstack_dashboard/conf/
 }
 

watcher_dashboard/test/settings.py

@@ -143,7 +143,7 @@ settings_utils.find_static_files(HORIZON_CONFIG, AVAILABLE_THEMES,
 dashboard_module_names = [
     'openstack_dashboard.enabled',
     'openstack_dashboard.local.enabled',
-    'watcher_dashboard.enabled',
+    'watcher_dashboard.local.enabled',
 ]
 dashboard_modules = []
 # All dashboards must be enabled for the namespace to get registered, which is