Add tooltip to user's calendar activities

app/views/users/calendar_activities.html.haml

@@ -18,9 +18,9 @@
           = event_action_name(event)
           %strong
             - if event.note?
-              = link_to event.note_target.to_reference, event_note_target_path(event)
+              = link_to event.note_target.to_reference, event_note_target_path(event), class: 'has-tooltip', title: event.target_title
             - elsif event.target
-              = link_to event.target.to_reference, [event.project.namespace.becomes(Namespace), event.project, event.target]
+              = link_to event.target.to_reference, [event.project.namespace.becomes(Namespace), event.project, event.target], class: 'has-tooltip', title: event.target_title
 
         at
         %strong

changelogs/unreleased/calendar-tooltips.yml

+---
+title: Add tooltip to user's calendar activities
+merge_request: 10123
+author: Alex Argunov