Set SURFACE_BITS_COMMAND->cmdType explicitly for FreeRDP 2.0.0
Address "SURFACE_BITS_COMMAND->cmdType 0x0000 not allowed" runtime warnings from FreeRDP 2.0.0.
Refs: https://github.com/FreeRDP/FreeRDP/blob/master/libfreerdp/core/surface.c#L238 https://github.com/FreeRDP/FreeRDP/pull/5982 https://github.com/FreeRDP/FreeRDP/pull/6021