added logo ID to top bar

fixed flexbox not working in phantomjs

app/assets/stylesheets/new_nav.scss

@@ -17,6 +17,7 @@ header.navbar-gitlab-new {
     }
 
     .title {
+      display: -webkit-flex;
       display: flex;
       padding-right: 0;
       color: currentColor;
@@ -27,6 +28,7 @@ header.navbar-gitlab-new {
       }
 
       > a {
+        display: -webkit-flex;
         display: flex;
         align-items: center;
         padding-right: $gl-padding;
@@ -177,6 +179,7 @@ header.navbar-gitlab-new {
 }
 
 .navbar-sub-nav {
+  display: -webkit-flex;
   display: flex;
   margin-bottom: 0;
   color: $indigo-200;

app/views/layouts/header/_new.html.haml

@@ -4,7 +4,7 @@
     .header-content
       .title-container
         %h1.title
-          = link_to root_path, title: 'Dashboard' do
+          = link_to root_path, title: 'Dashboard', id: 'logo' do
             = brand_header_logo
             %span.logo-text.hidden-xs
               = render 'shared/logo_type.svg'