TSoftObjectPtr instance loses reference after ClientTravel

If a TSoftObjectPtr on an instance has a reference to another instance in a level, that reference will be lost when a client travel is performed to travel to that level.

Regression?: No
This occurred in 4.18

1. Download the attached project
2. Generate project files, compile, and open the project
3. Press play
4. After a short time, a client travel will be executed
   Result: The print string on the top left after the client travel signifies that the reference is null
   Expected: The print string on the top left after the client travel signifies that the reference is intact