Bug 33059: Fix capitalizatoin of AV sample category descriptions
* Fixes capitalization
* Standardizes on e-book (see https://www.oxfordlearnersdictionaries.com/definition/english/e-book)
* Standardizes on audiobook (see https://www.oxfordlearnersdictionaries.com/definition/english/audiobook)
To test:
* This is a little difficult to test. What you'd need to do:
* Apply the patch
* Drop your database, recreate it, run the web installer
* Make sure to select the optional AV along with the mandatory to install
* Log into Koha after finishing the installer and go to administration >
authorised values
* Review the existing sample values for incorrect capitalization in
the different categories
Signed-off-by: David Nind <david@davidnind.com> Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com> Signed-off-by: Nick Clemens <nick@bywatersolutions.com> Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>