Always show grid buttons on My Selection List

Fix LP#1028601 by showing the selection list creation buttons in the acq
search UI even when there are no search results.

Signed-off-by: Pasi Kallinen <pasi.kallinen@pttk.fi>
Signed-off-by: Remington Steed <rjs7@calvin.edu>
Signed-off-by: Ben Shum <bshum@biblio.org>