app/irc: fix +irc/ivy-jump-to-channel
app/irc: fix +irc/ivy-jump-to-channel

not it works when buffer-names are indented below server

UndeadKernel/emacs_doom,hlissner/doom-emacs,aminb/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/doom-emacs,aminb/.emacs.d,hlissner/doom-emacs,hlissner/.emacs.d,UndeadKernel/emacs_doom,hlissner/doom-emacs,hlissner/.emacs.d,aminb/.emacs.d,hlissner/.emacs.d,UndeadKernel/emacs_doom,aminb/.emacs.d,aminb/.emacs.d,hlissner/.emacs.d,UndeadKernel/emacs_doom,aminb/.emacs.d,aminb/.emacs.d,hlissner/doom-emacs,aminb/.emacs.d,UndeadKernel/emacs_doom,hlissner/.emacs.d,hlissner/doom-emacs,UndeadKernel/emacs_doom,UndeadKernel/emacs_doom,hlissner/.emacs.d