Background
See design ticket T396389: Provide information in UI on Collaboration List results. Right now, when someone enters a certain search in the Collaboration List, it is not always clear if they received any matches or not.
Acceptance criteria
- Given that a user is on the Collaboration List (Special:AllEvents),
- And the user has performed a search using any filter
- Then the total number of Ongoing events and Upcoming events that match the filter should be displayed in parentheses next to the label (e.g. 'Ongoing events (N)', 'Upcoming events (M)'
- And the user has performed a search using any filter
- Total counts should reflect all matching events, not just the number displayed per page (e.g., if the limit is 50/page but 120 match, display Upcoming events (120))
