Web accessibility enhancements

This release introduces the following new keyboard shortcuts to assist Web accessibility in Cornerstone Classroom client for participants only:

Table 1. New Keyboard Shortcut for Panels
Shortcut	Panel Name
ALT+8	Text Chat History Panel

Table 2. New Keyboard Shortcut for Control Panel
Shortcut	Menu Name
ALT+U	ACTION_APPLAUD_KEY

Table 3. New General Keyboard Shortcuts
Shortcut	Menu Item
Esc	Close dialogs, Exit full screen, Return to normal view
Spacebar	Select/Click the element in focus