Child Widget Blueprint does not inherit bindings in exe

When packaging a project for Windows, Child Widget Blueprints do not inherit bindings.

Tested in 4.20.3 (CL -  4369336), 4.21.1 (CL - 4567586), 4.22 (CL - 4572453)

1. Download attached project
2. PIE
3. Cook content for Windows
4. Package project for Windows 64 bit
5. Launch executable

Expected: The text from the Child Widget Blueprint would tell the current time

Result: The Child Widget Blueprint does not inherit the Parent Widget Blueprint's bindings

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