pass type as value to fields.

because otherwise we'd have to `om/read` it in the change handler.

clj/clarity/cljs/clarity.cljs

  (fn [[k t]]
    (dom/div #js {:className "field"}
      (dom/label nil (str k (when optional? " (optional)")))
      (om/build make-typed-input m {:opts {:type t, :key k, :val (k m)
      (om/build make-typed-input m {:opts {:type (om/value t), :key k, :val (k m)
                                           :optional? optional?}}))))
(defmethod make-typed-input 'HMap [m owner {type :type}]