catching errors when attempting to mark the current room as read

- fixes crash whilst offline

features/messenger/src/main/kotlin/app/dapk/st/messenger/DecryptingFetcher.kt

@@ -27,6 +27,9 @@ class DecryptingFetcher : Fetcher<RoomEvent.Image> {
     private val http = OkHttpClient()
 
     override suspend fun fetch(pool: BitmapPool, data: RoomEvent.Image, size: Size, options: Options): FetchResult {
+        val response = http.newCall(Request.Builder().url(data.imageMeta.url).build()).execute()
+        val outputStream = Buffer()
+
         val keys = data.imageMeta.keys!!
         val key = Base64.decode(keys.k.replace('-', '+').replace('_', '/'), Base64.DEFAULT)
         val initVectorBytes = Base64.decode(keys.iv, Base64.DEFAULT)
@@ -42,9 +45,6 @@ class DecryptingFetcher : Fetcher<RoomEvent.Image> {
         val d = ByteArray(CRYPTO_BUFFER_SIZE)
         var decodedBytes: ByteArray
 
-        val response = http.newCall(Request.Builder().url(data.imageMeta.url).build()).execute()
-        val outputStream = Buffer()
-
         response.body()?.let {
             it.byteStream().use {
                 read = it.read(d)

features/messenger/src/main/kotlin/app/dapk/st/messenger/MessengerViewModel.kt

@@ -70,8 +70,10 @@ internal class MessengerViewModel(
 
     private fun CoroutineScope.updateRoomReadStateAsync(latestReadEvent: EventId, state: MessengerState): Deferred<Unit> {
         return async {
-            roomService.markFullyRead(state.roomState.roomOverview.roomId, latestReadEvent)
-            roomStore.markRead(state.roomState.roomOverview.roomId)
+            runCatching {
+                roomService.markFullyRead(state.roomState.roomOverview.roomId, latestReadEvent)
+                roomStore.markRead(state.roomState.roomOverview.roomId)
+            }
         }
     }