Describe the bug
Remove the warning moving await from mocha.opts.

DeprecationWarning: Configuration via mocha.opts is DEPRECATED and will be removed from a future version of Mocha. Use RC files or package.json instead.

We have often see developer telling us the problems going on with WPA and then the first way to debug the issue is by going through WPA kubernetes logs for the queue to find what is going on. We should logs events for all the important thing that goes on with the WPA object.

Reasons:

1. Easy to debug.
2. Developer who does have access to wpa logs but has access to their WPA object can tro

This line: https://github.com/dapr/components-contrib/blob/fa15dfb7087d757190b25de2221a9461bd93a5ed/state/zookeeper/zk.go#L143

Should check if its an error for a missing key, and if it is return nil, &GetResponse{}