Mark as :builtin icon collections that has :user as uuid/zero.

frontend/src/uxbox/main/data/icons.cljs

@@ -60,9 +60,9 @@
 (defrecord CollectionsFetched [items]
   rs/UpdateEvent
   (-apply-update [_ state]
-    (reduce (fn [state item]
-              (let [id (:id item)
-                    item (assoc item :type :own)]
+    (reduce (fn [state {:keys [id user] :as item}]
+              (let [type (if (uuid/zero? (:user item)) :builtin :own)
+                    item (assoc item :type type)]
                 (assoc-in state [:icons-collections id] item)))
             state
             items)))

frontend/src/uxbox/util/uuid.cljs

@@ -13,8 +13,15 @@
 
   If no high qualiry RNG, switches to the default Math based
   RNG with proper waring in the console."
+  (:refer-clojure :exclude [zero?])
   (:require [uxbox.util.uuid-impl :as impl]))
 
+(def zero #uuid "00000000-0000-0000-0000-000000000000")
+
+(defn zero?
+  [v]
+  (= zero v))
+
 (defn v4
   "Generate a v4 (random) UUID."
   []