Use merge request prefix symbol in event feed title

app/helpers/events_helper.rb

@@ -90,6 +90,10 @@ module EventsHelper
     elsif event.milestone?
       words << "##{event.target_iid}" if event.target_iid
       words << "in"
+    elsif event.merge_request?
+      words << "!#{event.target_iid}:" if event.target_iid
+      words << event.target.title if event.target.respond_to?(:title)
+      words << "at"
     elsif event.target
       words << "##{event.target_iid}:"
       words << event.target.title if event.target.respond_to?(:title)

changelogs/unreleased/gt-use-merge-request-prefix-in-event-feed-title.yml

+---
+title: Use merge request prefix symbol in event fetitle
+merge_request: 22449
+author: George Tsiolis
+type: changed