Add helper for using avatars vs icons

app/helpers/system_note_helper.rb

 module SystemNoteHelper
   ICON_NAMES_BY_ACTION = {
     'commit' => 'icon_commit',
-    'push' => 'icon_commit',
+    'pushed to' => 'icon_commit',
+    'pushed new' => 'icon_commit',
     'merge' => 'icon_merge',
     'merged' => 'icon_merged',
     'opened' => 'icon_status_open',
@@ -28,4 +29,16 @@ module SystemNoteHelper
     icon_name = ICON_NAMES_BY_ACTION[note]
     custom_icon(icon_name) if icon_name
   end
+
+  def icon_for_profile_event(event)
+    if current_path?('users#show')
+      content_tag :div, class: "system-note-image #{event.action_name}-icon" do
+        icon_for_system_note(event.action_name)
+      end
+    else
+      content_tag :div, class: 'system-note-image user-avatar' do
+        author_avatar(event, size: 32)
+      end
+    end
+  end
 end

app/views/events/event/_common.html.haml

-- if current_path?('users#show')
-  - if event.target
-    .system-note-image{ class: "#{event.action_name}-icon" }
-      = icon_for_system_note(event.action_name)
-- else
-  .system-note-image.user-avatar
-    = author_avatar(event, size: 32)
+= icon_for_profile_event(event)
 
 .event-title
   %span.author_name= link_to_author event

app/views/events/event/_created_project.html.haml

-- if current_path?('users#show')
-  .system-note-image{ class: "#{event.action_name}-icon" }
-    = icon_for_system_note(event.action_name)
-- else
-  .system-note-image.user-avatar
-    = author_avatar(event, size: 32)
-
+= icon_for_profile_event(event)
 
 .event-title
   %span.author_name= link_to_author event

app/views/events/event/_note.html.haml

-- if current_path?('users#show')
-  .system-note-image
-    = icon_for_system_note(event.action_name)
-- else
-  .system-note-image.user-avatar
-    = author_avatar(event, size: 32)
+= icon_for_profile_event(event)
 
 .event-title
   %span.author_name= link_to_author event

app/views/events/event/_push.html.haml

 - project = event.project
-- if current_path?('users#show')
-  .system-note-image
-    = icon_for_system_note(event.data[:event_name])
-- else
-  .system-note-image.user-avatar
-    = author_avatar(event, size: 32)
+
+= icon_for_profile_event(event)
 
 .event-title
   %span.author_name= link_to_author event