GIF fixes

submodules/TelegramUI/Sources/SampleBufferPool.swift

@@ -54,11 +54,14 @@ func takeSampleBufferLayer() -> SampleBufferLayer {
         Queue.mainQueue().async {
             layer.flushAndRemoveImage()
             layer.setAffineTransform(CGAffineTransform.identity)
+            #if targetEnvironment(simulator)
+            #else
             let _ = pool.modify { list in
                 var list = list
                 list.append(layer)
                 return list
             }
+            #endif
         }
     })
 }