Bug 22698: Fix incorrect button classes

Bug 22698: Fix incorrect button classes

This patch builds on Bug 22023 in making further corrections to toolbar
button classes.

To test, apply the patch and view the following pages to confirm that
toolbar buttons are consistent:

- Acquisitions -> Vendor -> View basket.
- Administration -> Additional fields -> Select a table.
- Administration -> Audio alerts.
- Catalog -> Advanced search -> More/fewer options link
- Cataloging -> Edit record -> Advanced editor -> Advanced search.
- Cataloging -> Edit record -> Advanced editor -> Macros.
- Cataloging -> Edit record -> MARC21 008 value builder.
- Cataloging -> Search results.
- Circulation -> Checkout notes.
- Circulation: Sticky due date clear button, view restrictions, override
   restrictions temporarily, add message, delete message
- Course reserves: Toolbar buttons on that page and the course reserve
   detail page.
- ILL requests -> View ILL requests. The "New ILL request" and "List
   requests" button.
- Lists and Lists -> View list.
- Patrons -> Search -> Merge patrons.
- Patrons -> View patron -> "Edit" button on patron image (patronimages
   must be enabled).
- Patrons -> View patron -> "More" menu -> Manage API keys.
- Patrons -> View patron -> "More" menu -> Set permissions.
- Patrons -> View patron -> Delete circulation message link.
- Patrons -> View patron -> Edit patron.
- Patrons -> View patron -> Housebound.
- Reports -> Dictionary.
- Serials -> Numbering patterns.
- Serials -> Subscription -> Receive.
- Tools -> Labels -> Manage -> Label batches: Export selected.
- Tools -> Patron card creator -> Manage -> Card batches -> Edit batch.
- Tools -> Patron card creator. The "New" and "Manage" buttons.
- Tools -> Patron clubs.
- Tools -> Quote editor -> Import quotes.
- Tools -> Rotating collections. Toolbar buttons on that page and the
   collection view page.
- Tools -> Tags.
- Tools -> Upload local cover image.

Signed-off-by: Michal Denar <black23@gmail.com>
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>