Describe the bug

Hidden meetings are visible in "upcoming meetings" in process show page.

To Reproduce
Steps to reproduce the behavior:

1. Go to process show page with upcoming meetings
2. As an admin, report and hide a meeting
3. Go back to the process show page
4. See that the meeting is still there

Expected behavior
It shouldn't be there

Screenshots

Stacktrace
If applicable, add the error stacktrace to help explain your problem.

Extra data (please complete the following information):

• Decidim Version: v0.27.0.dev

Additional context

Related to #8818 and #8809