Bug 10855: Squash several fixes

Bug 10855: Squash several fixes

Bug 10855: FIX: Add additional fields for closed subscriptions

Bug 10855: Fix instance vs static method

This patch fixes the error message.
The 3 modified routines *are* static methods.

Bug 10855: FIX conflicts with bug 7688

Bug 10855: Fix typo addition_fields -> additional_fields

Bug 10855: A partial search should return the subscriptions

If a search on an additional fields is done using a partial string
("foo" and the defined value is "foobar"), the subscription should
appear in the result list.

Test plan:
Try to search a part of the string for an additional field.

Bug 10855: Filtering on additional fields don't work if value is equal to 0

If you tried to filter on an additional field linked to an authorised
value, that did not work if the value was 0.

Bug 10855: Remove the advanced serial search box on the serial home page

Bug 10855: FIX an add field should not be created if the marc field does not exist.

This patch fixes the following:
Create an add fields linked to a nonexistent marc field (does not exist
in serials).
Edit a subscription and save.
Without this patch, an error occured:
Software error:
DBD::mysql::db do failed: Column 'value' cannot be null at
/var/root-koha/bug-10855/Koha/AdditionalField.pm line 107.

Bug 10855: Fix Type table vs tablename

Koha::AdditionalField->all method take "tablename" not "table" in
parameter".

Signed-off-by: Brendan Gallagher <brendan@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>