Notify about a new touch motion event.
The `(x, y)` position represents where the touch point position in the streams logical coordinate space moved.
May only be called on a remote desktop session with `XDP_DEVICE_TOUCHSCREEN` access.
| this |
a [class@Session] |
| stream |
the node ID of the pipewire stream the position is relative to |
| slot |
touch slot that is changing position |
| x |
new X position |
| y |
new Y position |