When the search field under "Link to" is used the search should be automatically started while typing, with wildcard
So when you type "be" it should search for "be*" and show all results starting with "be":
Beeeeh
Behehehe
Bezzzeeee
Search it on: /admin/content/?relation=keywords&limit=5&sort=title&_format=json&q=Poe
Should be: /admin/content/?relation=keywords&limit=5&sort=title&_format=json&q=Poe*