Rework UI and logic for major pages

Rework needed and include: -Course info page schedule information. The tables rows heigh and width need to be adjusted. Schedule information should also be sorted depending on the component: LEC, TUT, and TST -Course info page search bar. Include search bar in course info page without users to go back each time. -Course selection page. Sections selected should be grouped by the class. All LEC, TUT, and TST should be under the same class. UI can be improved to group them together and show them as tables. Delete icon button. -Sidesheet in course selection to directly add to a user's current courses/calendar.