Fix clicking on an extension's "Database" link.
Review Request #11133 — Created Aug. 10, 2020 and submitted
Like the recent change to fix the "Configure" link on the extensions
list, this change fixes clicking on the "Database" link. The issue here
was a bad entry in the handlers object, which overrides the default
Opened the extensions page and clicked on the "Database" entry for an
extension which has database models.