wp_update_link() doesn't allow updating of link_owner

[pbiron]

The title says it all.

Example:

$link_id = wp_insert_link( array(
    'link_name' => 'foo',
    'link_url' => 'http://example.com',
    'link_owner' => 1,
) );
// $link_id has link_url == http://example.com and link_owner == 1

wp_update_link( array(
    'link_id' => $link_id,
    'link_url' => 'http://example.org',
    'link_owner' => 2,
) );
// $link_id now has link_url == 'http://example.org, but still has link_owner == 1 :-(

[pbiron]

allow updates of link_owner

[pbiron]

related: #2804

@nikhilgupte reported the same bug 11 years ago and his ticket was closed as invalid because "link ownership is being deprecated", which obviously never happened.

[valentinbora]

Patch 41687.diff​ applies cleanly, thanks @pbiron. Looks like a trivial change, suggesting this for commit.

[valentinbora]

As we're at beta 1 for 5.4 since Feb 11th, I'd rather suggest punting this to 5.5 unless committers consider it could still make it.

[pbiron]

punting to 5.5 fine with me.

[SergeyBiryukov]

In 47291:

Administration: Allow wp_update_link() to update the link_owner field, for consistency with other link fields.

Props pbiron, valentinbora, nikhilgupte.
Fixes #41687.