AssignmentRoute => Change correction visibility to internal

ExpressAPI/src/routes/AssignmentRoutes.ts

@@ -221,6 +221,10 @@ class AssignmentRoutes implements RoutesManager {
 
             const lastCommit = await GitlabManager.getRepositoryLastCommit(req.boundParams.exercise!.gitlabId);
             if ( lastCommit ) {
+                if ( !isUpdate ) {
+                    await GitlabManager.changeRepositoryVisibility(req.boundParams.assignment.gitlabId, GitlabVisibility.INTERNAL);
+                }
+
                 await db.exercise.update({
                                              where: {
                                                  id: req.boundParams.exercise!.id