Fix segfault on xwayland unmanaged view unmap
Fix segfault on xwayland unmanaged view unmap

1ace/sway,taiyu-len/sway,SirCmpwn/sway,ascent12/sway,taiyu-len/sway,ascent12/sway,taiyu-len/sway,ascent12/sway,1ace/sway,1ace/sway