DirectoriesToAlwaysStageAsNonUFS does not get remapped on IOS

https://answers.unrealengine.com/questions/371783/packaging-for-ios-fails-with-cannot-create-because.html

1. Create a project
2. Add a directory to Project/Content
3. Add that directory to the DirectoriesToAlwaysStageAsNonUFS in the project settings
4. Try to launch on the project
5. Try again, on the second one, it will fail with can't create directory