The org-roam docs say:
Links to headlines can be inserted by navigating to the desired headline and calling org-store-link. This will create an ID for the headline if it does not already exist, and populate the Org-roam database. The link can then be inserted via org-insert-link.
When I try that (with org-roam-mode enabled, and in an org-roam buffer), I get a regular org link like this:
Not a link to a properties drawer id like this: