Update dashboard controller again

Current count: 16 failures.

Signed-off-by: jonathan.kerr <3410350+jonodrew@users.noreply.github.com>

Author: jonodrew

app/controllers/dashboard_controller.rb

@@ -24,6 +24,7 @@ def dashboard
       hash
     end
     @announcements = current_user.announcements.active
+    @attending_ids = MemberPresenter.new(current_user).attending_workshops
   end
 
   def code; end