Fix lack of share type id in share creation

One cephx rule negative test can fail in case Manila does not have
default share types set.

Fix that by adding the share type to the shares creation, avoiding
the scheduler to fail while chosing the most suitable backend.

Closes-Bug: #2069087
Change-Id: I0d47eed3777edb36540ba36be3eb5151e689ae91
1 file changed