Console command "setMouseSensitivity" locks mouse movement to the X axis

Using the console to set mouse sensitivity locks mouse movement to the X axis.

1. Create a project with the FPS template
2. Play in editor or launch a game
3. Open the console
4. Enter "setMouseSensitivty 0.5"

Result: The mouse movement becomes locked to the X axis.

Expected: That only the mouse sensitivity is changed like in previous Engine versions.