server/red_worker: cursor_channel_send_item: don't downcast
server/red_worker: cursor_channel_send_item: don't downcast

Fantu/spice,mathslinux/spice,elmarco/spice,fgouget/spice,Fantu/spice,mathslinux/spice,SPICE/spice,fgouget/spice,elmarco/spice,elmarco/spice,mathslinux/spice,freedesktop-unofficial-mirror/spice__spice,ya-mouse/spice,Fantu/spice,elmarco/spice,alon/spice-server,freedesktop-unofficial-mirror/spice__spice,dezelin/spice,alon/spice-server,mathslinux/spice,alon/spice-server,ya-mouse/spice,dezelin/spice,SPICE/spice,freedesktop-unofficial-mirror/spice__spice,mathslinux/spice,elmarco/spice,dezelin/spice,alon/spice-server,dezelin/spice,freedesktop-unofficial-mirror/spice__spice,Fantu/spice,SPICE/spice,fgouget/spice,alon/spice-server,dezelin/spice,ya-mouse/spice,fgouget/spice,freedesktop-unofficial-mirror/spice__spice