CLI 'manila list --sort-key availability_zone' return http 400 code,
and error message 'Wrong sorting key provided'.
The cause is that sortble key name in sqlAlchemy model field is
'availability_zone_id' , not 'availability_zone'. So we need a
translation in CLI implement.
Closes-Bug: #1920888
Change-Id: Ied983d85ca08a123b78bf8b05085fad8fe5bc2c5