* origin/7883_frontend_step:
dashboards: make scripted dashboards work using the old legacy urls
dashboards: redirect from old url used to load dashboard to new url
dashboards: add new default frontend route for rendering a dashboard panel
dashboards: fix links to recently viewed and starred dashboards
dashboards: use new *url* prop from dashboard search for linking to dashboards
dashboards: when saving dashboard redirect if url changes
dashboards: add new default frontend route for loading a dashboard
dashboards: return url in response to save dashboard. #7883