GameplayTask classes that have a BeginSpawningActor function never call the Activate function

A class that inherits from GameplayTask which also has a BeginSpawningActor function will not have its Activate function fired properly. Removing this function causes it to fire properly.

Regression?: No
This occurred in 4.19

1. Download the attached project
2. Compile the project
3. Open the project
4. Press Play
5. Check the Output log
   Result: The Activate for Task_two is firing, printing to the log successfully but the Activate for Task_one is not.
   Expected: The Activate functions for both tasks are firing, printing to the log successfully