close modal when pressing escape on select

[Maxime Vidori]

When we are in a modal, if a select is triggered and the user press escape all the modal is closed instead of closing the select.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/64862

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/64862
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=37e4403ee87830e62a27e1b50f6681e4d012f70e
Submitter: Jenkins
Branch: master

commit 37e4403ee87830e62a27e1b50f6681e4d012f70e
Author: Maxime Vidori <email address hidden>
Date: Fri Jan 3 18:00:53 2014 +0100

    Do not close modal if escape is pressed on select

        The modal no longer fades out when pressing escape if a select is
    open. After this, the select input is unfocused, so the second press
    on escape will still close the modal.

    Fixes bug #1265869

    Change-Id: I49fa4431152fa3101bb6fafa6e07c8f908396ba8