Version of jquery not matching syntax on Extension Manager Application extension (using .size property, while it has been removed in jquery 3.0)

While using the Extension Manager Application (developed by xWiki team) to manage the extensions, I have noticed a bug under "Licenses" tab under the extension.

Buttons "get trial", "buy" and "Auto upgrade" seem to be broken (nothing happens on click).

After some investigation I suspect the problem is on this line of code (minimized version from browser debugger):

0 < a('#licenseManager-display td.type').size()

Problem in this line is that .size method has been removed in jQuery 3.0. and was replaced with .length.

source: https://api.jquery.com/size/

This solution uses jQuery +3.0 (3.7.1 I believe?) so I suspect this could be the issue why the buttons are broken.

This is the file that was inspected for this issue:

The file on github:

https://github.com/xwikisas/application-licensing/blob/8f299248a771514bc0b2718d586a2c624d0166cb/application-licensing-licensor/application-licensing-licensor-ui/src/main/resources/Licenses/WebHome.xml#L620

Visual of the "License" page with broken buttons visible: