Draft: Enable 2D_Adaptive_dt_ThermalConvection_constviscosityStaggeredScheme
It enables Enable 2D_Adaptive_dt_ThermalConvection_constviscosityStaggeredScheme on envinf, mac and MSVC again.
It enables Enable 2D_Adaptive_dt_ThermalConvection_constviscosityStaggeredScheme on envinf, mac and MSVC again.