Crash (IllegalStateException) when rapidly clicking search button in Settings

[JeffHuang04]

Checklist

• I am able to reproduce the bug with the latest version given here: CLICK THIS LINK.
• I made sure that there are no existing issues - open or closed - which I could contribute my information to.
• I have read the FAQ and my problem isn't listed.
• I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• This issue contains only one bug.
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Affected version

0.28.4-Debug

Steps to reproduce the bug

1.Enter Settings: Open the app and navigate to the Settings screen

2.Trigger Search: Rapidly and repeatedly tap the Search icon in the top right corner of the toolbar.

I reproduce the bug by the auto testing tool.

The action and stack log is below.
action: 5@click className=android.widget.CheckedTextView,instance=4 :android.widget.CheckedTextView@720p
action: 6@click className=android.widget.CheckedTextView,instance=5 :android.widget.CheckedTextView@480p
action: 8@click className=android.widget.CheckedTextView,instance=7 :android.widget.CheckedTextView@240p
action: 2@click className=android.widget.CheckedTextView,instance=1 :android.widget.CheckedTextView@1080p60
action: 13@click className=android.widget.TextView,instance=12 :android.widget.TextView@recycler items_org.schabi.newpipe.settings.SettingsActivity_00000001000
action: 4@back
action: 14@click className=android.widget.TextView,instance=13 :android.widget.TextView@recycler items_org.schabi.newpipe.settings.SettingsActivity_00000001000
action: 21@back
action: 8@click className=android.widget.TextView,instance=3 :android.widget.TextView@recycler items_org.schabi.newpipe.settings.SettingsActivity_00000001000
action: 19@click className=android.widget.TextView,instance=15 :android.widget.TextView@recycler items_org.schabi.newpipe.settings.SettingsActivity_00000001000
action: 2@click resource-id=org.schabi.newpipe.debug:id/action_search :android.widget.Button@
--------- beginning of crash
05-01 10:16:24.675 11451 11451 E AndroidRuntime: FATAL EXCEPTION: main
05-01 10:16:24.675 11451 11451 E AndroidRuntime: Process: org.schabi.newpipe.debug, PID: 11451
05-01 10:16:24.675 11451 11451 E AndroidRuntime: java.lang.IllegalStateException: Fragment already added: PreferenceSearchFragment{5dc2475} (6c058a03-c11d-417a-8e66-53605204f89d id=0x7f0a0394 tag=PreferenceSearchFragment)
05-01 10:16:24.675 11451 11451 E AndroidRuntime: at androidx.fragment.app.FragmentStore.addFragment(FragmentStore.java:93)

Expected behavior

No response

Actual behavior

No response

Screenshots/Screen recordings

No response

Logs

--------- beginning of crash 05-01 10:16:24.675 11451 11451 E AndroidRuntime: FATAL EXCEPTION: main 05-01 10:16:24.675 11451 11451 E AndroidRuntime: Process: org.schabi.newpipe.debug, PID: 11451 05-01 10:16:24.675 11451 11451 E AndroidRuntime: java.lang.IllegalStateException: Fragment already added: PreferenceSearchFragment{5dc2475} (6c058a03-c11d-417a-8e66-53605204f89d id=0x7f0a0394 tag=PreferenceSearchFragment) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at androidx.fragment.app.FragmentStore.addFragment(FragmentStore.java:93) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at androidx.fragment.app.FragmentManager.addFragment(FragmentManager.java:1733) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at androidx.fragment.app.BackStackRecord.executeOps(BackStackRecord.java:389) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at androidx.fragment.app.FragmentManager.executeOps(FragmentManager.java:2280) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2165) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:2109) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:2052) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at androidx.fragment.app.FragmentManager$5.run(FragmentManager.java:703) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at android.os.Handler.handleCallback(Handler.java:873) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:99) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at android.os.Looper.loop(Looper.java:193) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:6669) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) 05-01 10:16:24.675 11451 11451 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)

Affected Android/Custom ROM version

No response

Affected device model

No response

Additional information

No response