Preview Instance can still trigger print strings when you PIE

In the given answerhub example, the user has a print string coming from IsNotValid on a check of *TryGetPawnOwner*.

This is returning a false negative to him when he PIE's because the Preview instance returns IsNotValid, even though the actual instance in the level IsValid.

1. Create a new project based off of the BP Third Person Template
2. Open the ThirdPersonAnimBlueprint
3. In the EventGraph, find the IsValid node
4. Create a print string node and connect it to the IsNotValid pin
5. PIE

Result: The string is printed from the preview instance of the AnimBP on the screen

6. Exit PIE
7. Play in Standalone Game

Result: Works as expected

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