Changes after UX review

app/assets/stylesheets/pages/clusters.scss

@@ -12,3 +12,5 @@
 .clusters-dropdown-menu {
   max-width: 100%;
 }
+
+@include new-style-dropdown('.clusters-dropdown ');

app/views/projects/clusters/_advanced_settings.html.haml

 - if can?(current_user, :admin_cluster, @cluster)
+  - if @cluster.managed?
     .append-bottom-20
       %label.append-bottom-10
         = s_('ClusterIntegration|Google Container Engine')

app/views/projects/clusters/_dropdown.html.haml

 %h4.prepend-top-0= s_('ClusterIntegration|Choose how to set up cluster integration')
 
-.dropdown
+.dropdown.clusters-dropdown
   %button.dropdown-menu-toggle.dropdown-menu-full-width{ type: 'button', data: { toggle: 'dropdown' }, 'aria-haspopup': true, 'aria-expanded': false }
     %span.dropdown-toggle-text
       = dropdown_text

app/views/projects/clusters/gcp/_show.html.haml

@@ -34,7 +34,7 @@
 
     .form-group
       = platform_kubernetes_field.label :namespace, s_('ClusterIntegration|Project namespace (optional, unique)')
-      = platform_kubernetes_field.text_field :namespace, class: 'form-control', placeholder: s_('ClusterIntegration|Project namespace'), readonly: true
+      = platform_kubernetes_field.text_field :namespace, class: 'form-control', placeholder: s_('ClusterIntegration|Project namespace')
 
     .form-group
       = field.submit s_('ClusterIntegration|Save changes'), class: 'btn btn-save'

app/views/projects/clusters/kubernetes/_show.html.haml

@@ -2,7 +2,7 @@
   %label.append-bottom-10{ for: 'cluster-name' }
     = s_('ClusterIntegration|Cluster name')
   .input-group
-    %input.form-control.cluster-name{ value: @cluster.name, readonly: true }
+    %input.form-control.cluster-name{ value: @cluster.name }
     %span.input-group-addon.clipboard-addon
       = clipboard_button(text: @cluster.name, title: s_('ClusterIntegration|Copy cluster name'))