NPCs aren't knocked back by vehicles in City Life 2

Summary: Entities/players aren't knocked back when hit by vehicles.

Verification builds: 1.16.0.60_rc0

Impact: Gameplay experience in City Life 2

Repro Steps:

1. Create a world from the City Life 2 template.
2. Enter a vehicle.
3. Drive into an NPC.

Observed Results:

Driving through them.

Expected Results: The NPC should be knocked back.

Screenshots/Videos attached: Yes