Sorting by relevance when search fails causes crash

[Mo-1996]

Describe the bug
I failed the search and selected the type to sort by relevance. When I clicked on ascending, the app crashed.
In additon, I searched for files located under sub files, but no results were presented

To Reproduce
Steps to reproduce the behavior:

1. Go to Search page
2. Search for files, no results presented
3. Click the "Sort By: Relevance"
4. Select the type and click "ASCENDING"
5. See error

Expected behavior
The app is running normally.

Screenshots
crash.webm

Smartphone (please complete the following information):

• Device: [e.g. Nexus 5X]
• OS: [e.g. Android 8]
• Rooted: [e.g. No]
• Version: [e.g. 3.10]

Additional context
Add any other context about the problem here.

[VishnuSanal]

Thanks for reporting. Please share the crash report for further debugging.

[Mo-1996]

Thanks for reporting. Please share the crash report for further debugging.

java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.Object[] java.util.Collection.toArray()' on a null object reference
at java.util.ArrayList.(ArrayList.java:191)
at com.amaze.filemanager.ui.views.appbar.SearchView.updateResultList(SearchView.java:375)
at com.amaze.filemanager.ui.views.appbar.SearchView.onSortTypeSelected(SearchView.java:481)
at com.amaze.filemanager.ui.views.appbar.SearchView.lambda$showSearchResultsSortDialog$10(SearchView.java:464)
at com.amaze.filemanager.ui.views.appbar.SearchView.$r8$lambda$2i4K5Lmbv48UVtMgrOeSwx46nss(Unknown Source:0)
at com.amaze.filemanager.ui.views.appbar.SearchView$$ExternalSyntheticLambda9.onClick(Unknown Source:2)
at com.afollestad.materialdialogs.MaterialDialog.onClick(MaterialDialog.java:433)
at android.view.View.performClick(View.java:7664)
at android.view.View.performClickInternal(View.java:7638)
at android.view.View.access$3800(View.java:878)
at android.view.View$PerformClick.run(View.java:29899)
at android.os.Handler.handleCallback(Handler.java:966)
at android.os.Handler.dispatchMessage(Handler.java:110)
at android.os.Looper.loopOnce(Looper.java:205)
at android.os.Looper.loop(Looper.java:293)
at android.app.ActivityThread.main(ActivityThread.java:9596)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:586)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1204)

[VishnuSanal]

this is a duplicate to #4140, please track it there. :)