Bugfix/VBV-470 Homogenisierung Abgabe Aufträge
* Make feedback non-checkable without submission
* Submit preparation_assignment on close
# Conflicts:
# client/src/pages/learningPath/learningContentPage/assignment/AssignmentView.vue
* Also submit reflection on close
* Fix CourseSessionCompletionData reloading
* User can self toggle LearningContentFeedback completion
* Show submission view for all assignments
* Fix cockpit for condition acceptance
* Close assignments after submission
Approved-by: Dario Aebersold
Approved-by: Daniel Egger
Load and display AssignmentCompletionStatus
Datenmodell um Bewertungskriterien erweitern
Refactor assignment pages
Show user results
Update some data fields
Show user assignment evaluation
Changes after rebase
Rename `grading` -> `evaluation`
Add evaluation data to AssignmentCompletion
Refactor usage of `assignmentStore`
Store points for evaluation
Only debounce text
Show user responses on evaluation page