Workaround for VS2019

- DRACO is disabled as the default
- Use ASSIMP_BUILD_DRACO=ON to reenable it
- Workaround for https://github.com/assimp/assimp/issues/3663

CMakeLists.txt

@@ -578,7 +578,7 @@ IF (DEFINED CMAKE_VERSION AND "${CMAKE_VERSION}" VERSION_LESS "3.12")
   message(NOTICE "draco requires cmake 3.12 or newer, cmake is ${CMAKE_VERSION} . Draco is disabled")
   SET ( ASSIMP_BUILD_DRACO OFF CACHE BOOL "Disabled: Draco requires newer cmake" FORCE )
 ELSE()
-  OPTION ( ASSIMP_BUILD_DRACO "If the Draco libraries are to be built. Primarily for glTF" ON )
+  OPTION ( ASSIMP_BUILD_DRACO "If the Draco libraries are to be built. Primarily for glTF" OFF )
   IF ( ASSIMP_BUILD_DRACO )
     # Primarily for glTF v2
     # Enable Draco glTF feature set