Disabling 'Maintain Horizontal Ground Velocity' -> incorrect velocity reported when colliding in negative directions

With  'Maintain Horizontal Ground Velocity' disabled in the first person character - velocity is not set to zero when stopped by collision while moving in a negative direction.

Confirmed in 4.23 Main @ CL 6829265

1. Create a first person sample project
2. Print player velocity. (Sample logic attached)
3. Disable 'Maintain Horizontal Ground Velocity' in first person character
4. **Walk into walls

Result: When walking in a "negative direction" velocity will not report zero when stopped by collision (See attached video)