PollListItem freed from noticeListItemAdapter clutches

In the future, use events for formatting microapp notices, more specifically
through the plugin's function "showNoticeContent" or similar, which is called
from MicroAppPlugin, which is extended from ActivityHandlerPlugin.

lib/activityhandlerplugin.php

@@ -606,7 +606,12 @@ abstract class ActivityHandlerPlugin extends Plugin
             return true;
         }
 
-        $out->text($stored->getContent());
+        $this->showNoticeContent($stored, $out, $scoped);
         return false;
     }
+
+    protected function showNoticeContent(Notice $stored, HTMLOutputter $out, Profile $scoped=null)
+    {
+        $out->text($stored->getContent());
+    }
 }