Non-nativized classes that implement a nativized interface class do not get interface methods called when invoked through a Blueprint function library.

UObjectBaseUtility::GetInterfaceAddress() fails due to an incorrect serialized value of the 'bImplementedByK2' property within the non-nativized class's Interfaces array on save.

See support thread for more details. Also includes a suggested fix.

1. Open attached project (allow it to be cloned if prompted).
2. PIE, and note output messages to console.
3. Choose File->Package Project->Windows->Win64, choose a location and wait for packaging to complete.
4. Launch the packaged game. Note that the same messages are not output to the console.
   Expected result: Consistent messaging between PIE, nativized and non-nativized game EXE.

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