issue-2023: move opened event out of selected conversation check

Going through the git history the existing logic of "dont do this if
it's already selected" was just for audio or video QOL enhancements to
not stop playing when the same conversation is selected.

js/views/inbox_view.js

@@ -28,8 +28,8 @@
           $el = view.$el;
         }
         $el.prependTo(this.el);
-        conversation.trigger('opened');
       }
+      conversation.trigger('opened');
     },
   });