set status off before the transition is finished (#423)

SkeletonView.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "SkeletonView"
-  s.version      = "1.21.0"
+  s.version      = "1.21.1"
   s.summary      = "An elegant way to show users that something is happening and also prepare them to which contents he is waiting"
   s.description  = <<-DESC
   Today almost all apps have async processes, as API requests, long runing processes, etc. And while the processes are working, usually developers place a loading view to show users that something is going on.

Sources/SkeletonView.swift

@@ -363,9 +363,9 @@ extension UIView {
             let skeletonLayer = skeletonLayer,
             let transitionStyle = currentSkeletonConfig?.transition else { return }
         skeletonLayer.stopAnimation()
+        status = .off
         skeletonLayer.removeLayer(transition: transitionStyle) {
             self.skeletonLayer = nil
-            self.status = .off
             self.currentSkeletonConfig = nil
         }
     }