HCat client configs can be refreshed only on host/component level, but not on service level

Changing Hive service configs affects "stale_configs" field of client HCAT (from service level).

But the HCat client configs can be refreshed only on host/component level after applying change. Triggering "Restart" action from Hive service page will not affect HCat. This can be potentially inconvenient for user on large clusters.