92 update get preference dict function (#108)

* Initial update for get preference dic

* Update tests to reflect new preferred time

* Update schedule views to use get preference dict

* Remove & typo in professor course data

* fix tests to work with schedule by initializing prof

* fix tests to align with front end preferred times

* add better spacing

* Update preference test to align with fe

* Update preference tests to align with FE

* Clean up code

* Clean up code

* remove duplicate function

* Add seng 440 to prof preferences

Co-authored-by: Russell Waterhouse <Russell.L.Waterhouse@gmail.com>