change the page title to clearly state the cluster name

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

-%h4= s_('ClusterIntegration|Kubernetes cluster integration')
-
 .hidden.js-cluster-error.bs-callout.bs-callout-danger{ role: 'alert' }
   = s_('ClusterIntegration|Something went wrong while creating your Kubernetes cluster on Google Kubernetes Engine')
   %p.js-error-reason

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

@@ -23,7 +23,8 @@
   .js-cluster-application-notice
     .flash-container
 
-  %section.settings.no-animate.expanded#cluster-integration
+  %section#cluster-integration
+    %h4= @cluster.name
     = render 'banner'
     = render 'integration_form'