SearchKit: Custom integer field in-place edit doesn't let you blank out the field, and (sort of) validates incorrectly
Following on from https://github.com/civicrm/civicrm-core/pull/22293, if you have a custom integer field in your search display and it has in-place edit, when you blank out the field and click the checkmark it just keeps the original value instead of blanking it out.
I could put in 0, but I have a use-case where 0 is different from blank. I'm sure I could work around it, but it's inconsistent with how e.g. the contact edit form works with an integer custom field.
The validation part is that if I type in "aaaa" into the integer field, it correctly doesn't change the value, but has a "Saved" success message. Minor thing.