[OS SDK 3.10.0] Add CoilSystem:Cooling:Water

Enhancement Request
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* https://github.com/NREL/OpenStudio/pull/5350

## Detailed Description

This coil system enables "Water Side Economizer Mode" and "Wrap Around Water Coil Heat Recovery Mode".

## Possible Implementation