Crash while attempting to make a new ods file (follow-up issue)

[AndyScherzinger]

While #5020 has been fixed via #5065 by @ezaquarii another crash might happen in case of .ods file creations, reported by @dysonsphere-startmail present in 3.12.0 RC2+ #5065 (comment)

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

java.lang.IllegalStateException: calling this from your main thread can lead to deadlock
at android.accounts.AccountManager.ensureNotOnMainThread (AccountManager.java:2200)
at android.accounts.AccountManager.access $ 500 (AccountManager.java:162)
at android.accounts.AccountManager $ AmsTask.internalGetResult (AccountManager.java:2306)
at android.accounts.AccountManager $ AmsTask.getResult (AccountManager.java:2344)
at android.accounts.AccountManager $ AmsTask.getResult (AccountManager.java:2259)
at android.accounts.AccountManager.blockingGetAuthToken (AccountManager.java:1535)
at com.owncloud.android.lib.common.OwnCloudClientFactory.createOwnCloudClient (OwnCloudClientFactory.java:90)
at com.nextcloud.client.network.ClientFactoryImpl.create (ClientFactoryImpl.java:49)
at com.owncloud.android.ui.dialog.ChooseRichDocumentsTemplateDialogFragment.onCreateDialog (ChooseRichDocumentsTemplateDialogFragment.java:161)
at androidx.fragment.app.DialogFragment.onGetLayoutInflater (DialogFragment.java:380)
at androidx.fragment.app.Fragment.performGetLayoutInflater (Fragment.java:1412)
at androidx.fragment.app.FragmentManagerImpl.moveToState (FragmentManagerImpl.java:881)
at androidx.fragment.app.FragmentManagerImpl.moveFragmentToExpectedState (FragmentManagerImpl.java:1238)
at androidx.fragment.app.FragmentManagerImpl.moveToState (FragmentManagerImpl.java:1303)
at androidx.fragment.app.BackStackRecord.executeOps (BackStackRecord.java:439)
at androidx.fragment.app.FragmentManagerImpl.executeOps (FragmentManagerImpl.java:2079)
at androidx.fragment.app.FragmentManagerImpl.executeOpsTogether (FragmentManagerImpl.java:1869)
at androidx.fragment.app.FragmentManagerImpl.removeRedundantOperationsAndExecute (FragmentManagerImpl.java:1824)
at androidx.fragment.app.FragmentManagerImpl.execPendingActions (FragmentManagerImpl.java:1727)
at androidx.fragment.app.FragmentManagerImpl $ 2.run (FragmentManagerImpl.java:150)
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:492)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:930)

************ APP INFORMATION ************
ID: com.nextcloud.client
Version: 30120053
Build flavor: gplay

************ DEVICE INFORMATION ************
Brand: google
Device: bonito
Model: Pixel 3a XL
Id: QQ2A.200501.001.B2
Product: bonito

************ FIRMWARE ************
SDK: 29
Release: 10
Incremental: 6352890