Add a missing event, adjust icons

app/assets/images/assigned.svg

@@ -0,0 +1 @@
+<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="m20.3 11.5-7-6.9c-.7-.7-1.9-.7-2.6 0s-.8 1.9 0 2.6l2.8 2.7v.3s0 0-.1 0h-8.5c-.9 0-1.5.9-1.5 1.8 0 .6.3 1.8 1.4 1.8h8.4s.2 0 .2.2v.1l-2.7 2.7c-.7.8-.6 2 .2 2.7.7.6 1.8.6 2.5 0l6.9-7c.3-.3.3-.7 0-1z"/></svg>

app/assets/images/clipboard.svg

@@ -1 +0,0 @@
-<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="m19 3h-4.2c-.4-1.2-1.5-2-2.8-2s-2.4.8-2.8 2h-4.2c-1.1 0-2 .9-2 2v15c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2v-15c0-1.1-.9-2-2-2m-7 0c.6 0 1 .5 1 1s-.4 1-1 1-1-.4-1-1 .4-1 1-1m-5 4h10v-2h2v15h-14v-15h2z"/></svg>

app/assets/images/rename.svg

@@ -0,0 +1 @@
+<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="m3 7a2 2 0 0 0 -2 2v8h2v-4h2v4h2v-8a2 2 0 0 0 -2-2zm0 2h2v2h-2m12-.5v-1.5a2 2 0 0 0 -2-2h-4v10h4a2 2 0 0 0 2-2v-1.5a1.54 1.54 0 0 0 -1.5-1.5 1.54 1.54 0 0 0 1.5-1.5m-2 4.5h-2v-2h2zm0-4h-2v-2h2m6-2a2 2 0 0 0 -2 2v6a2 2 0 0 0 2 2h2a2 2 0 0 0 2-2v-1h-2v1h-2v-6h2v1h2v-1a2 2 0 0 0 -2-2z"/></svg>

app/helpers/events_helper.rb

@@ -96,13 +96,15 @@ module EventsHelper
   def event_action_icon(event)
     case event.action
     when "assigned"
-      "clipboard"
+      "assigned"
     when "boosted"
       "thumb-up"
     when "staged"
       "bolt"
     when "commented"
       "comment"
+    when "title_changed"
+      "rename"
     else
       "person"
     end