Adapt the type input to work with the new ooui getMenu()
The type in the templatedata editor didn't update because the events
were attached to the previous ooui SelectWidget, and should be
adjusted to use the new methods.
Bug: T86922
Change-Id: I619d1cc69f672d2d03d7dafa97ba3d950de9d89d
(cherry picked from commit edf70972e137666014b4601b80943779cd5f6abc)