Render the notification drawer footer synchronously, remove its haml

[skateman]

The ng-include directive was slower than the max-height calculation of the drawer's collapsible panel, by moving the code from the included file directly from where it is being called the timing issue is sorted out.

Before:

After:

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1640161

@miq-bot add_reviewer @himdel
@miq-bot add_label bug, gaprindashvili/no, hammer/yes

[miq-bot]

Checked commit skateman@9d502ea with ruby 2.3.3, rubocop 0.52.1, haml-lint 0.20.0, and yamllint 1.10.0
3 files checked, 1 offense detected

**

• 💣 💥 🔥 🚒 - Linter/Haml - Linter::Haml STDERR:

warning: parser/current is loading parser/ruby23, which recognizes
warning: 2.3.6-compliant syntax, but you are running 2.3.3.
warning: please see https://github.com/whitequark/parser#compatibility-with-ruby-mri.

[himdel]

LGTM, merging when green :)

(we're actually not using ng-include anywhere outside notification drawer code :))

[simaishi]

Hammer backport details:

$ git log -1
commit 39e282bfce01d4994a19a57c8fb7d8201d3a0799
Author: Martin Hradil <himdel@seznam.cz>
Date:   Thu Oct 18 17:01:52 2018 +0200

    Merge pull request #4793 from skateman/drawer-buttons
    
    Render the notification drawer footer synchronously, remove its haml
    
    (cherry picked from commit 3a35f8f1d620e13c7f1ef7842fb2e5e8aff43b8a)
    
    Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1640161