Short circuit time seires value query when time series is not versioned

[adamkorynta]

Is your feature request related to a problem? Please describe.
Slow time series value queries.

Describe the solution you'd like
Short circuit the SQL operations performed if the time series is not versioned.

Describe alternatives you've considered
Open to suggestions.

Additional context
Brought up in biweekly CWMSDB meeting.

[MikeNeilson]

See #1692 for a possible example.

That also handles the versioned case as the logic itself isn't super complex. the main issue with retrieve_ts_raw is that there ends up being about 4 nested loops to do the validation.