nova extension checking is broken

[Adrian Turjak]

A bug in nova extension checking was introduced by:
https://github.com/openstack/horizon/commit/3acb28270a27837253d308f05d40240b04a6affa#diff-2f8897fc38ecf035f786ac562c878dcf

we are comparing `ext` (an object) to a string, rather than `ext.name`:
https://github.com/openstack/horizon/blob/master/openstack_dashboard/api/nova.py#L1090

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/620354

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/620354
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=e2360f9fe56bf2fd1ca325a05bb02681d5f44e71
Submitter: Zuul
Branch: master

commit e2360f9fe56bf2fd1ca325a05bb02681d5f44e71
Author: Adrian Turjak <email address hidden>
Date: Wed Nov 28 05:08:56 2018 +1300

    fix an issue with nova extension support checking

    This bug was introduced by 3acb28270a27837253d308f05d40240b04a6affa

    Closes-Bug: #1805469
    Change-Id: I0d5d98718e764c89451ab3829cb325a150f29724

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/horizon 15.0.0.0b2 development milestone.