Bug 20968: Rename method get_intranet_catalog_toolbar_button to intranet_catalog_bibl...

Bug 20968: Rename method get_intranet_catalog_toolbar_button to intranet_catalog_biblio_enhancements_toolbar_button

Signed-off-by: Stephen Graham <s.graham4@herts.ac.uk>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
(cherry picked from commit e87fa069dc3d10284a2bd31b7c7913132fed5d06)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
(cherry picked from commit 2a899edbcc8c3739bd96bab9cfe06fbd8b1147a5)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>