Seat: actually update sent pointer position

 river/Seat.zig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/river/Seat.zig b/river/Seat.zig
index 68af819..f371132 100644
--- a/river/Seat.zig
+++ b/river/Seat.zig
@@ -442,6 +442,8 @@ pub fn manageStart(seat: *Seat) void {
                 if (seat_v1.getVersion() >= 2) {
                     seat_v1.sendPointerPosition(x, y);
                 }
+                seat.wm_sent.x = x;
+                seat.wm_sent.y = y;
             }
         }