Revert "Put in guards against people having a property name of "id" (case-insensitive) on a component. Warn them if they do, don't serialize that property or try to deserialize it. Catch exception if trying to deserialize Id as a Guid but it isn't one." This reverts commit 55d6e5c51d2fd6b663391d9e22c191a6a810603f. Switch GameObject/Component.Id to be serialized as __guid Upgrade PrefabFile on load Merge fix