Image index fix (#15525)

* image index fix

src/status_im/utils/utils.cljs

@@ -126,6 +126,11 @@
   (when (string? s)
     (string/replace s m r)))
 
+(defn safe-nth
+  [coll index]
+  (when (number? index)
+    (nth coll index)))
+
 (defn svg?
   [some-string]
   (string/ends-with? some-string ".svg"))

src/status_im2/contexts/chat/lightbox/view.cljs

@@ -130,7 +130,7 @@
            ;; The initial value of data is the image that was pressed (and not the whole album) in order
            ;; for the transition animation to execute properly, otherwise it would animate towards
            ;; outside the screen (even if we have `initialScrollIndex` set).
-           data                            (reagent/atom [(nth messages index)])
+           data                            (reagent/atom (if (number? index) [(nth messages index)] []))
            scroll-index                    (reagent/atom index)
            transparent?                    (reagent/atom false)
            set-full-height?                (reagent/atom false)