Improvements on AnnotatedSubmission Component

Description / Overview

AnnotatedSumbission

• Add Button to Collapse/Show all Feedback
• Make Submission Lines and existing Feedback clickable to open editor
• Available actions (like scoring) dependent on user role in store

FeedbackComment

• Make Borders on Feedback slimmer
• Add elevation similar to to Line Number elevation to Feedback Boxes
• Remove rounding on corners of feedback
• show username on feedback when tutor/reviewer