Shows immediately the summary page. Before, this one was making a GET
request to the server, which was stuck on any long running command in
the controller.
Now, affect correctly the identity in memory and reuse it if needed.
Show a progress message while the configuration is happening and replace
it with a "completed" text on success.
Co-authored-by: Jean-Baptiste Lallement <jean-baptiste@ubuntu.com>
This controller and view inherits from the subiquity identity, but
remove the "hostname" field. We are using composition over inheritance
for identityController as the UI builder is basing on the order of
declared elements as class variable and we can’t override that in the
metaclass when inheriting.