Test plan:
1) Set all values in Default checkout, hold and return policy section on
circulation rules admin page, try for all libraries and for one specific
library. Save.
2) Click on unset and confitm
--> without patch, the Maximum total holds allowed value remains
--> with patch the unset removex Maximum holds value too
Signed-off-by: Agustin Moyano <agustinmoyano@theke.io>
Signed-off-by: Liz Rea <wizzyrea@gmail.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
