[3.10 RC2] Trying to move folder crashes app

[xzfantom]

Steps to reproduce

1. Press dots right from folder
2. Choose Move
3. App crashes

Expected behaviour

• Folder choose dialog should appear

Actual behaviour

• app crashes

Environment data

Android version:
9
Device model:
OnePlus 3T
Stock or customized system:
Stock
Nextcloud app version:
3.10.0 RC2
Nextcloud server version:

Logs

App error log

************ CAUSE OF ERROR ************

java.lang.NullPointerException: Attempt to invoke interface method 'android.view.MenuItem android.view.MenuItem.setVisible(boolean)' on a null object reference
	at com.owncloud.android.ui.fragment.OCFileListFragment.onPrepareOptionsMenu(OCFileListFragment.java:796)
	at androidx.fragment.app.Fragment.performPrepareOptionsMenu(Fragment.java:2723)
	at androidx.fragment.app.FragmentManagerImpl.dispatchPrepareOptionsMenu(FragmentManagerImpl.java:2743)
	at androidx.fragment.app.FragmentController.dispatchPrepareOptionsMenu(FragmentController.java:398)
	at androidx.fragment.app.FragmentActivity.onPreparePanel(FragmentActivity.java:489)
	at androidx.appcompat.view.WindowCallbackWrapper.onPreparePanel(WindowCallbackWrapper.java:99)
	at androidx.appcompat.app.AppCompatDelegateImpl$AppCompatWindowCallback.onPreparePanel(AppCompatDelegateImpl.java:2857)
	at androidx.appcompat.view.WindowCallbackWrapper.onPreparePanel(WindowCallbackWrapper.java:99)
	at androidx.appcompat.app.ToolbarActionBar$ToolbarCallbackWrapper.onPreparePanel(ToolbarActionBar.java:522)
	at androidx.appcompat.app.ToolbarActionBar.populateOptionsMenu(ToolbarActionBar.java:456)
	at androidx.appcompat.app.ToolbarActionBar$1.run(ToolbarActionBar.java:56)
	at android.os.Handler.handleCallback(Handler.java:873)
	at android.os.Handler.dispatchMessage(Handler.java:99)
	at android.os.Looper.loop(Looper.java:193)
	at android.app.ActivityThread.main(ActivityThread.java:6863)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:537)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)

************ APP INFORMATION ************
ID: com.nextcloud.client
Version: 30100052
Build flavor: gplay

************ DEVICE INFORMATION ************
Brand: OnePlus
Device: OnePlus3T
Model: ONEPLUS A3010
Id: PKQ1.181203.001
Product: OnePlus3

************ FIRMWARE ************
SDK: 28
Release: 9
Incremental: 1911042108

[AndyScherzinger]

Thanks for the report @xzfantom - fix should ship with the next beta release 👍