Transform Origin Actor does not work when BlendType is Relative

Developer Notes

This is as designed - the relative blend mode applies transforms relative to the object's initial position so it doesn't make sense for it to be both relative to its initial position and the transform origin.

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perhaps a way to work around this is to put an intermediate empty actor in the hierarchy. So the empty actor would be in the sequence with an absolute transform and then you parent the object that you want relative to that intermediate empty actor.