Allocation override URLs overriding all URLs when an override is present and do not restore regular URLs properly when removed.

When I override any one URL in a central resource's allocation record, it overrides all of them instead of only the the URL where a override URL was provided. This is causing any other URL fields to be blank, including variables.

For example:

Before any changes:

After I enter an override URL for "Remote URL" it makes any other fields blank:

Even after I remove the override URL, the allocation does not fallback to the regular URLs: