Fixes BZ#2238952 - Selecting host group change form URL

app/helpers/discovered_hosts_helper.rb

@@ -94,7 +94,14 @@ def provision_button(host, authorization_options)
   end
 
   def host_path(host)
-    return super unless controller_name == 'discovered_hosts'
+    return discovered_host_path(host) if controller_name == 'discovered_hosts'
+
+    # This is a hack to fix the hostgroup selection on the discovered host edit page
+    # The hostgroup onChange action is replacing the form url from `/discovered_hosts/:id`
+    # to `/hosts/:id``, which is not correct (in this case) and it breaks the form submission
+    return super unless controller_name == 'hosts' && action_name == 'process_hostgroup'
+    return super unless Host::Discovered.find_by(id: host[:id])
+
     discovered_host_path(host)
   end