Fix tests, add applications to eager loading/cache for statuses, fix

application website validation, don't link to app website if website isn't set,
also comment out animated boost icon from #464 until it's consistent with non-animated version

app/lib/application_extension.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+module ApplicationExtension
+  extend ActiveSupport::Concern
+
+  included do
+    validates :website, url: true, unless: 'website.blank?'
+  end
+end