Crash when saving pictures

Checklist

• I've already searched in existing issues and haven't found a similar problem reported.
• I'm using the latest version of the app
• This error caused the app to crash
• This error is reproducible

Which category best fits this error?

Feed Sync

App version

0.16.1

Reproduction steps

Save picture causes crash

Crash report

Version: 0.16.1
Device: OnePlus PLQ110
System: Android 16 (API 36)

Stack trace: 

.lang.IllegalArgumentException: MIME type application/octet-stream cannot be inserted into content://media/external_primary/images/media; expected MIME type under image/*
	at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:183)
	at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:153)
	at android.content.ContentProviderProxy.insert(ContentProviderNative.java:589)
	at android.content.ContentResolver.insert(ContentResolver.java:2269)
	at android.content.ContentResolver.insert(ContentResolver.java:2225)
	at me.ash.reader.infrastructure.android.AndroidImageDownloader$downloadImage$2.invokeSuspend(AndroidImageDownloader.kt:153)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:9)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:112)
	at kotlinx.coroutines.internal.LimitedDispatcher$Worker.run(LimitedDispatcher.kt:8)
	at kotlinx.coroutines.scheduling.TaskImpl.run(Tasks.kt:3)
	at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:93)
	Suppressed: kotlinx.coroutines.internal.DiagnosticCoroutineContextException: [StandaloneCoroutine{Cancelling}@c86ebe0, Dispatchers.Main.immediate]

Start in infrastructure/android/AndroidImageDownloader.kt at line 153, using the reported content resolver MIME-type exception as the entry point. Reproduce saving a picture on the reported Android environment and verify that the image saves successfully without crashing when the operation completes.