Changed to hash rocket and string 'true'

app/views/discussions/_resolve_all.html.haml

@@ -5,6 +5,6 @@
       ":can-resolve" => discussion.can_resolve?(current_user),
       "inline-template" => true }
     .btn-group{ role: "group", "v-if" => "showButton" }
-      %button.btn.btn-default{ type: "button", "@click" => "resolve", ":disabled" => "loading", "v-cloak": true }
+      %button.btn.btn-default{ type: "button", "@click" => "resolve", ":disabled" => "loading", "v-cloak" => "true" }
         = icon("spinner spin", "v-show" => "loading")
         {{ buttonText }}