Ui error

[kamalsamantaray]

Checklist

• [x] I am using the latest version - x.xx.x
• [x] I checked, but didn't find any duplicates (open OR closed) of this issue in the repo.
• [x] I have read the contribution guidelines given at https://github.com/TeamNewPipe/NewPipe/blob/HEAD/.github/CONTRIBUTING.md.
• [x] This issue contains only one bug. I will open one issue for every bug report I want to file.

Steps to reproduce the bug

Actual behaviour

Expected behavior

Screenshots/Screen recordings

Logs

Device info

• Android version/Custom ROM version:
• Device model:

  Exception

  • User Action: ui error
  • Request: App crash, UI failure
  • Content Country: IN
  • Content Language: en
  • App Language: en_US
  • Service: none
  • Version: 0.20.8
  • OS: Linux OPPO/RMX1801/RMX1801:9/PKQ1.181121.001/1582710588:user/release-keys 9 - 28
    Crash log

java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
    at androidx.fragment.app.FragmentManager.checkStateLoss(FragmentManager.java:1691)
    at androidx.fragment.app.FragmentManager.enqueueAction(FragmentManager.java:1731)
    at androidx.fragment.app.BackStackRecord.commitInternal(BackStackRecord.java:321)
    at androidx.fragment.app.BackStackRecord.commit(BackStackRecord.java:286)
    at androidx.fragment.app.DialogFragment.show(DialogFragment.java:181)
    at org.schabi.newpipelegacy.RouterActivity.lambda$openDownloadDialog$15(RouterActivity.java:534)
    at org.schabi.newpipelegacy.RouterActivity.lambda$openDownloadDialog$15$RouterActivity(Unknown Source:0)
    at org.schabi.newpipelegacy.-$$Lambda$RouterActivity$PO5pWEEJ5ixfCUvNmuJvuGGYbBI.accept(Unknown Source:4)
    at io.reactivex.rxjava3.internal.observers.ConsumerSingleObserver.onSuccess(ConsumerSingleObserver.java:62)
    at io.reactivex.rxjava3.internal.operators.single.SingleObserveOn$ObserveOnSingleObserver.run(SingleObserveOn.java:81)
    at io.reactivex.rxjava3.android.schedulers.HandlerScheduler$ScheduledRunnable.run(HandlerScheduler.java:123)
    at android.os.Handler.handleCallback(Handler.java:873)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:232)
    at android.app.ActivityThread.main(ActivityThread.java:7172)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:576)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:888)

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