MB-22737: set default purgeInterval for ephemeral bucket

Change-Id: Ie14b46778895391743f994e0feba5ef8b053d39c
Reviewed-on: http://review.couchbase.org/77238
Tested-by: Pavel Blagodov <[email protected]>
Reviewed-by: Michael Wiederhold <[email protected]>

Author: pavel-blagodov

priv/public/ui/app/constants/constants.js

@@ -15,7 +15,8 @@
       threadsNumber: "3",
       flushEnabled: "0",
       ramQuotaMB: "0",
-      uri: '/pools/default/buckets'
+      uri: '/pools/default/buckets',
+      purgeInterval: "1",
     })
     .constant('daysOfWeek', [
       'Monday',