Update ImagePickerController.swift

Author: MohamedAbdallah-14

Source/ImagePickerController.swift

@@ -236,7 +236,7 @@ open class ImagePickerController: UIViewController {
 
     NotificationCenter.default.addObserver(self,
                                            selector: #selector(dismissIfNeeded),
-                                           name: NSNotification.Name(rawValue: ImageStack.Notifications.imageDidDrop),
+                                           name: NSNotification.Name(rawValue: ImageStack.Notifications.imageDidPush),
                                            object: nil)
 
     NotificationCenter.default.addObserver(self,