Bug 22301: (bug 11373 follow-up) Do not format amounts in inputs

Bug 22301: (bug 11373 follow-up) Do not format amounts in inputs

on_edition flag must be set when the Price plugin is used on inputs.

Prices currently need to all be displayed with decimal dot in input
fields.

Test plan:
Trying to pay 9,55. Go into the input field and change 9 to
5.

Without this patch Koha will turn it into 555.00.

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>