cmd-kill: use sway_assert when no container
cmd-kill: use sway_assert when no container

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