Crash on null DisableableViewPager

[amaze-issue-automation[bot]]

Issue explanation (write below this line)

Exception

• App Name: Amaze Dateimanager
• Package: com.amaze.filemanager
• Version: 3.6.0
• User Action: UI Error
• Request: Application crash
• OS: Linux Android 10 - 29
• Device: FP3
• Model: FP3
• Product: FP3
  Crash log

java.lang.NullPointerException: Attempt to read from field 'com.amaze.filemanager.ui.views.DisablableViewPager com.amaze.filemanager.ui.fragments.TabFragment.mViewPager' on a null object reference
    at com.amaze.filemanager.ui.activities.MainActivity.setPagingEnabled(MainActivity.java:1417)
    at com.amaze.filemanager.ui.fragments.MainFragment$2.onDestroyActionMode(MainFragment.java:695)
    at androidx.appcompat.app.AppCompatDelegateImpl$ActionModeCallbackWrapperV9.onDestroyActionMode(AppCompatDelegateImpl.java:2694)
    at androidx.appcompat.view.StandaloneActionMode.finish(StandaloneActionMode.java:112)
    at androidx.appcompat.widget.ActionBarContextView$1.onClick(ActionBarContextView.java:174)
    at android.view.View.performClick(View.java:7259)
    at android.view.View.performClickInternal(View.java:7236)
    at android.view.View.access$3600(View.java:801)
    at android.view.View$PerformClick.run(View.java:27892)
    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:7356)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:491)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:940)

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[EmmanuelMess]

Related maybe #2373