deleting prior assistant chat crashes Android app

[doomengineer]

⚠️ Before posting ⚠️

• This is a bug, not a question or an enhancement.
• I've searched for similar issues and didn't find a duplicate.
• I've written a clear and descriptive title for this issue, not just "Bug" or "Crash".
• I agree to follow Nextcloud's Code of Conduct.

Steps to reproduce

In assistant screen in Android app, go to history, long press prior chat to select it ->delete. App tries to bring up biometric verification and crashes.

Expected behaviour

Should just delete the prior chat

Actual behaviour

Crashes

Android version

16

Device brand and model

Pixel 9a

Stock or custom OS?

Stock

Nextcloud android app version

33.1.0

Nextcloud server version

33.0.3

Using a reverse proxy?

Yes

Android logs

Cause of error

Exception in thread "DefaultDispatcher-worker-5" java.lang.NumberFormatException: For input string: "null"
    at java.lang.Long.parseLong(Long.java:740)
    at java.lang.Long.parseLong(Long.java:863)
    at com.nextcloud.client.assistant.conversation.ConversationViewModel$deleteConversation$1.invokeSuspend(ConversationViewModel.kt:97)
    at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:34)
    at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:101)
    at kotlinx.coroutines.internal.LimitedDispatcher$Worker.run(LimitedDispatcher.kt:113)
    at kotlinx.coroutines.scheduling.TaskImpl.run(Tasks.kt:89)
    at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:589)
    at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:823)
    at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:720)
    at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:707)

App information

• ID: com.nextcloud.client
• Version: 330010090
• Build flavor: gplay

Device information

• Brand: google
• Device: tegu
• Model: Pixel 9a
• Product: tegu

Firmware

• SDK: 36
• Release: 16
• Incremental: 15001963

Server error logs

Additional information

No response