Toggling an "include" in the payment UI shouldn't shift the list under the user's mouse


In about:preferences#payments

Existing behavior; If the user toggles an include switch, the list shifts. This disrupts where the user is in the list. Also, “off” items move out of view in some situations, meaning the action is hard to undo.

Desired behavior; Leave the item where it is, or move it only after a few seconds.