crash when cutting a folder and paste in it

[anlalalu]

Describe the bug
crash when cutting a folder and paste in it

To Reproduce
Steps to reproduce the behavior:

1. create a folder(named 'test2') in an empty folder
2. long click 'test2' folder
3. tap 'cut'
4. click 'test2' folder to go into the folder
5. tap 'paste'

Screenshots

Smartphone (please complete the following information):

• Device: emulator
• OS: Android 4.4.4
• Rooted: No
• Version: 3.3.2

Stack Trace
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.amaze.filemanager, PID: 1327
java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0
at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
at java.util.ArrayList.get(ArrayList.java:308)
at com.amaze.filemanager.asynchronous.asynctasks.DeleteTask.onPostExecute(DeleteTask.java:175)
at com.amaze.filemanager.asynchronous.asynctasks.DeleteTask.onPostExecute(DeleteTask.java:51)
at android.os.AsyncTask.finish(AsyncTask.java:632)
at android.os.AsyncTask.access$600(AsyncTask.java:177)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5001)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
at dalvik.system.NativeStart.main(Native Method)

[TranceLove]

So it means we need to prevent user from cut-pasting a folder within itself.