Adding missing entry for middleware_server_group. Although, it's not …

…necessary now, when the own show logic is used.

app/views/shared/views/ems_common/_show.html.haml

@@ -1,7 +1,7 @@
 #main_div
   - arr = %w(container_images container_image_registries containers container_replicators container_routes)
   - arr.concat(%w(container_builds container_projects container_nodes container_services container_groups availability_zones host_aggregates))
-  - arr.concat(%w(middleware_servers middleware_deployments middleware_datasources middleware_domains middleware_messagings))
+  - arr.concat(%w(middleware_servers middleware_server_groups middleware_deployments middleware_datasources middleware_domains middleware_messagings))
   - arr.concat(%w(security_groups floating_ips cloud_subnets network_routers network_ports cloud_networks))
   - arr.concat(%w(load_balancers container_templates))
   - arr.concat(%w(cloud_tenants ems_clusters flavors resource_group hosts instances images miq_templates cloud_volumes))