[FIX] website: launch action todo on website creation

When website is installed through CLI, the ir.actions.todo
'website_configurator_todo' is not launched and stays in
'open' state. In this case the FIRST time we create a new
website, this ir.action.todo is launched at the end of the
configurator wheter it fails or not.

- If configurator fails, the ir.actions.todo is returned
  by button_choose_theme when choosing a theme in the
  theme_view_kanban view. /website/configurator is called
  and since configurator_done was not correctly set to true
  on current website, the screen theme_view_kanban was
  rendered a second time.

- If configurator succeeds, the ir.actions.todo is returned
  by button_choose_theme in configurator_apply. The route
  /website/configurator is called a second time and since
  configurator_done is set to true the route redirect to the
  website homepage but not in edit mode.

The fix consits in correctly setting configurator_done in
configurator_skip and in launching the configurator through
the ir.actions.todo in create_and_redirect_configurator.

closes odoo/odoo#71148

X-original-commit: 1752548fabc9b184b5b67b659b505c4cfe8dc0c7
Signed-off-by: Jérémy Kersten (jke) <jke@openerp.com>