Backport #29448 by @charles7668
issue : #28239
The counter number script uses the 'checkbox' attribute to determine
whether an item is selected or not.
However, the input event only increments the counter value, and when
more items are displayed, it does not update all previously loaded
items.
As a result, the display becomes incorrect because it triggers the
update counter script, but checkboxes that are selected without the
'checked' attribute are not counted
Co-authored-by: charles <30816317+charles7668@users.noreply.github.com>
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