SHOT-4394: Add import env option for VRED (#135)

Author: staceyoue

env/includes/vred/apps.yml

@@ -50,8 +50,8 @@ vred.apps.tk-multi-loader2:
     Catpart File: [import, import_with_options]
     Fbx File: [import, import_with_options]
     Motion Builder FBX: [import, import_with_options]
-    VRED Scene: [import, import_with_options, smart_reference]
-    Osb File: [import, import_with_options, smart_reference]
+    VRED Scene: [import, import_with_options, import_as_env, smart_reference]
+    Osb File: [import, import_with_options, import_as_env, smart_reference]
     Image: [ import_sceneplate ]
     Rendered Image: [ import_sceneplate ]
   actions_hook: "{engine}/tk-multi-loader2/basic/scene_actions.py"