Improvements of Sidebar

We could add some more features to the sidebar, especially:

- History of jobs -> list of jobs from static plugins that have been run already (currently disappear after they are clicked)

- Favorites -> favorite runs to be used in all plugins (highlighted)

Start at the sidebar entry point and trace how static-plugin jobs are listed and removed after being clicked. Check how runs are represented across plugins before deciding where history and shared favorites belong. Done means previously run jobs remain discoverable and favorite runs are highlighted consistently in all plugins.

Written by the indexing model from the issue text.