LP#1929587 Place hold button in staff client

LP#1929587 Place hold button in staff client

Disables and gray's out the place hold button on records in the
Angular catalog that are deleted or have no holdable copies
unless the user has the perm PLACE_UNFILLABLE_HOLD.

To test:
* Search for records with and without any copies
* Search for records with and without holdable copies
* Search as user with and without the permission
  PLACE_UNFILLABLE_HOLD

Signed-off-by: Dan Briem <dbriem@wlsmail.org>
Signed-off-by: Terran McCanna <tmccanna@georgialibraries.org>
Signed-off-by: Bill Erickson <berickxx@gmail.com>