Improved Help menu visibility + other minor enhancements and corrections.
- Add labels to Help & Info menus to make more prominent.
- Improve update service to automatically update to new versions if not signed in.
- Improve update service prompt text when user is signed in.
- Improve Comment Inbox empty-state.
- Update internal dependencies for security, reliability, and performance.
- Prevent failure to paste on first attempt into Assignment description field.
- Correct placement of ellipses on truncated text in mobile top navigation.