* Force menu items into a single line
* Add shortcut for saving the notebook
* Make the disk icon always show file dialog
* Split runtime and file settings into separate modals
* Add ctrl+s to the shortcuts list
* Add togglable menu to the session page
* Make sure newly saved file appears in the file selector
* Fix path seletor force reloading
* Remove notebook generated in tests
* Add test for file list refresh after save
