Canvas Student

- Fixed a bug where navigating to Pages did not work in some cases.
- Improve expired session handling.
- Assignment list modernisation.
- Fixed a bug where the Assignment Details screen had no loading indicator.
- Add further explanation to the QR login screen.
- Fixed a bug where ui components would overlap.
- Standardise font styles
- Quiz results can now be viewed for locked New Quizzes
- Removed 'Canvas on Github' from the Legal screen.