Sortable Tables sorting arrows trigger the Lightbox feature

Steps to reproduce

1. Edit a page with CKEditor
2. Insert a table (optional, with some values)
3. From toolbar, click on 'Insert' > 'Other Macros'
4. Search and insert Sortable Tables macro
5. Click 'Save & View'
6. Edit the page again
7. Click 'Save & View'
8. Click on History tab
9. Delete latest version
10. Click on the link to the page
11. Hover the sorting arrows

Expected results

Nothing happens.

Actual results

The Lightbox feature is triggered, with 'Image Gallery' and 'Download' buttons.

Sometimes the issue occurs after refreshing the page (F5).