Bug 9824: Make it possible to apply/cancel switch

Bug 9824: Make it possible to apply/cancel switch

Using another existing string 'Apply filter' we are now
able to cancel the filter... and apply it... and cancel it
again... and so on.

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>
(cherry picked from commit 7acdcb7e2aedf2ff202c009ce053de6dff54e840)

Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>
(cherry picked from commit 6bfb91f9df69c887643d0f1ae925595c365da10e)

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
(cherry picked from commit 6bfb91f9df69c887643d0f1ae925595c365da10e)

Signed-off-by: Chris Hall <followingthepath@gmail.com>
(cherry picked from commit b3fe1c1b93bd8f825dfe59659fd83bfb23f904cf)