[OS SDK 3.10.0] Add support for Thermochromic windows

[jmarrec]

Enhancement Request

• thermochromic material group #800
• #1697 - Re-wrap Thermochromic window model properly to handle extensible fields and translation to/from EnergyPlus NatLabRockies/OpenStudio#5426
  • Re-wrap Thermochromic window model properly to handle extensible fields and translation to/from EnergyPlus
  • While the class ThermochromicGlazing has been in the model namespace for a long time, it was actually not properly wrapped, unsable, and not forward translated

Detailed Description

Possible Implementation