[inappmessaging] Application crash rarely after showing popup.

Expected Behavior

Application show popup without crash.

Current Behavior

Application crash rarely after showing popup.

Possible Solution

This problem fixed in inappmessaging module 2.5.1. https://developers.karte.io/docs/release-notes-android-sdk-v2#releases---20200821

Steps to Reproduce

We can not reproduce this problem on our environment. (it detected on crashlytics)

Context (Environment)

We have seen this problem only on Android 9 for now.

Module	Version
core	2.4.0
inappmessaging	2.5.0
notifications	-
variables	-
visualtracking	-

Detailed Description

Crash Log

`Fatal Exception: java.lang.IllegalStateException: View io.karte.android.inappmessaging.c.g{df4d7f6 V.E...... ......I. 0,0-0,0 #8f0101a6 app:id/karte_overlay_view} has already been added to the window manager.
       at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:359)
       at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:96)
       at io.karte.android.inappmessaging.internal.view.WindowView.show(WindowView.java:127)
       at io.karte.android.inappmessaging.internal.IAMWindow.show(IAMWindow.java:120)
       at io.karte.android.inappmessaging.internal.IAMWebView.handleChangePv(IAMWebView.java:197)
       at io.karte.android.inappmessaging.InAppMessaging$reset$1.run(InAppMessaging.java:127)
       at android.os.Handler.handleCallback(Handler.java:883)
       at android.os.Handler.dispatchMessage(Handler.java:100)
       at android.os.Looper.loop(Looper.java:214)
       at android.app.ActivityThread.main(ActivityThread.java:7397)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)`

plaidev / karte-android-sdk

[inappmessaging] Application crash rarely after showing popup. #1