🐛 Fix wasm crash in set_shape_fills (wasm) when fill list is empty

frontend/src/app/render_wasm/api.cljs

@@ -8,7 +8,7 @@
   "A WASM based render API"
   (:require
    ["react-dom/server" :as rds]
-   [app.common.data :as d]
+   [app.common.data :as d :refer [not-empty?]]
    [app.common.data.macros :as dm]
    [app.common.geom.matrix :as gmt]
    [app.common.geom.point :as gpt]
@@ -240,6 +240,7 @@
 
 (defn set-shape-fills
   [fills]
+  (when (not-empty? fills)
     (let [fills (take types.fill/MAX-FILLS fills)
           image-fills (filter :fill-image fills)
           offset (mem/alloc-bytes (* (count fills) sr-fills/FILL-BYTE-SIZE))
@@ -269,7 +270,7 @@
                                           (aget buffer 3))]
                 (when (zero? cached-image?)
                   (store-image id))))
-          image-fills)))
+            image-fills))))
 
 (defn set-shape-strokes
   [strokes]