CLONE - Published chat sessions display correctly in the course overview

Test prerequisites: This test needs a course with a teacher and student enrolled.

1. As the teacher, create the following chats and set Repeat/publish session times to No repeats: Publish at the specified time only.
   • Yesterday morning.
   • Yesterday 23:00.
   • Today 01:00.
   • Today 23:00.
   • Tomorrow 01:00.
   • Tomorrow 23:00.
2. View the dashboard as a student.
3. Confirm:
   • Chats from yesterday are not visible
   • Chats from today are both visible, and both have action links
   • Chats for tomorrow are both visible, but the action links are disabled