Allow Playground to download images and create text sprites at runtime

projects/nat-flixel-desktop-playground/source/PlayState.kiss

@@ -171,6 +171,8 @@
     (doFor e changeSet
         // process the WikipediaImageSystem and run spriteSystem process on newly created entries that get one
         (archive.processSystems)
+        // Do a second loop through the systems, so Playground systems that trigger Core systems have their effects processed
+        (archive.processSystems)
 
         // Entries whose data changed to remove them from the sprite pool will already have been removed
         // by refreshEntry()