AssignmentPublish => Fix wrong test of staff

NodeApp/src/commander/assignment/subcommands/AssignmentPublishUnpublishCommandBase.ts

@@ -59,9 +59,10 @@ abstract class AssignmentPublishUnpublishCommandBase extends CommanderCommand {
 
 
             const assignmentCheckAccessSpinner: ora.Ora = ora({
-                                                                  text: 'Checking accesses', indent: 8
+                                                                  text  : 'Checking accesses',
+                                                                  indent: 8
                                                               }).start();
-            if ( !assignment.staff ) {
+            if ( !assignment.staff.some(staff => staff.gitlabId === SessionManager.profile?.gitlabId) ) {
                 assignmentCheckAccessSpinner.fail(`You are not in the staff of this assignment`);
                 return;
             }