org-agenda.el: Use the current command's match to set the buffer name

org-agenda.el: Use the current command's match to set the buffer name

* org-agenda.el (org-agenda): In sticky agendas, use the
current command's match to set the buffer name.  This gives
more information to the user and allows to distinguish various
agendas triggered by the same key.
(org-batch-store-agenda-views): Handle the new sticky agenda
buffer name.