Display the correct number of sections on course cards in the instructor page
The course cards on instructor pages should display the number of sections that professor is teaching.
The course cards display the total number of sections for that course in general.
In this image, see "29 sections" instead of "2 sections":
This is the line that needs to be changed https://git.gmu.edu/srct/schedules/blob/master/schedules/app/views/shared/_course.html.erb#L27