fix #2442 - fix bad replyId causing crash (#2454)

app/src/main/java/com/geeksville/mesh/ui/message/MessageList.kt

@@ -190,9 +190,10 @@ internal fun MessageList(
                     isConnected = isConnected,
                     onNavigateToOriginalMessage = {
                         coroutineScope.launch {
-                            listState.animateScrollToItem(
-                                index = messages.indexOfFirst { it.packetId == msg.replyId }
-                            )
+                            val targetIndex = messages.indexOfFirst { it.packetId == msg.replyId }
+                            if (targetIndex != -1) {
+                                listState.animateScrollToItem(index = targetIndex)
+                            }
                         }
                     }
                 )

app/src/main/java/com/geeksville/mesh/ui/message/components/MessageItem.kt

@@ -227,7 +227,8 @@ private fun OriginalMessageSnippet(
     cardColors: CardColors = CardDefaults.cardColors(),
     onNavigateToOriginalMessage: (Int) -> Unit
 ) {
-    message.originalMessage?.let { originalMessage ->
+    val originalMessage = message.originalMessage
+    if (originalMessage != null && originalMessage.packetId != 0) {
         val originalMessageNode =
             if (originalMessage.fromLocal) ourNode else originalMessage.node
         OutlinedCard(