mockup done for studentListPage - displaying student's profile picture
added css for icon-like display for profile pictures
changed Profile Picture serving action to accept email and courseId to identify student
added authentication checks in StudentProfilePictureAction
added decryption at the action side
completed ui side with encryption to protect the student's information
default image appears if student does not have a photo
[Fixes #73853306] highlights the 'Profile' tab in the navbar when in Profile Page
fixed test cases
[Fixes #72504258] fixes related test cases. now instructor can view student images in studentList page
merged latest dev
[fixes #73853306] now the profile tab is highlighted
merged latest feature branch
[Fixes #72504258] fixed test cases for the new feature
latest dev
latest feature branch
instructors can now view student's photo in the student list page
fixed test cases due to dynamic ids
minor test-fixes
done with transferring picture handling to a new action