Dead zone on the right and left when using multitouch

### What Happened?

Unexpected behavior :

subsist a vertical zone on the right and the left that lock the use of the pad when swiping vertically with one finger on that zone.

Details :

This zone works normally when the swipe start outside of this zone or start on the inside perfectly horizontally.

Expected behavior :

Function as the rest of the pad, moving the cursor

### Steps to Reproduce

1. Went on a scrollable content
2. Swiped horizontally on the vertical scrolling zone

### Expected Behavior

Move the cursor up and down

### OS Version

8.x (Circe)

### OS Architecture

amd64 (on most hardwares)

### Session Type

Secure Session (Wayland, This is the default)

### Software Version

Latest release (I have run all updates)

### Log Output

```shell

```

### Hardware Info

Dell Latitude-5400