Save outgoing /query nicks to a list and then check that list when we
get a buffer title rename and then switch to the buffer if the name
matches any nick in the outgoing list. Reason to use title event instead
of buffer opened event is that buffer open event doesn't contain the
short name. That would require parsing and guessing full names and in
general be more complicated (but maybe more correct)
This patch can be further improved in the future to check for existing
buffers and switch to them if they already exist.
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