Components attached via AttachToComponent do not animate correctly when recorded by sequencer

When an actor is attached by the root to a bone of a skeletal mesh through the use of the "AttachToComponent" function in code, it will not follow animations when being recorded by the Sequencer Recorder.

This does not occur if the Mesh is the root of the actor, therefore in the repro case above, a Scene component is set as the root. It also does not occur if the entire process is done through blueprints. C++ is required to reproduce this.

1. Download the attached project
2. Right-click the .uproject file, generate project files for Visual Studio, open the .sln in Visual Studio, build the project (ctrl+shift+B)
3. Open the project
4. Press Play and walk around
5. Notice how the attached box follow's the animation of the bone it's attached to
6. Open the folder Content/Cinematics/Sequences and open the sequence located there
7. Press play in the new window and watch the viewport
   Result: The box does not follow the animation of the bone it is attached to
   Expected: The box should follow the animation as it does in real time

Additional steps to test with new sequence:

1. Open the Sequence Recorder
2. Press "Add"
3. Press Play in the editor to start PIE
4. Shift+F1 to free the cursor and select the track you added
5. Scroll down to "Actor to Record" and select the ThirdPersonCharacter
6. Press Record
7. Run around in PIE for about 10 seconds of recording time
8. Press "Esc" to end PIE
9. Repeat steps 6 and 7 in the original steps

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