fix: issue in which reaction sheets may crash

Signed-off-by: Infi <infi@infi.sh>

app/src/main/java/chat/revolt/api/routes/user/User.kt

@@ -122,7 +122,7 @@ suspend fun fetchUser(id: String): User {
 
     try {
         val error = RevoltJson.decodeFromString(RevoltError.serializer(), response)
-        throw Error(error.type)
+        throw Exception(error.type)
     } catch (e: SerializationException) {
         // Not an error
     }

app/src/main/java/chat/revolt/sheets/ReactionInfoSheet.kt

@@ -310,7 +310,11 @@ fun ReactionInfoSheet(messageId: String, emoji: String, onDismiss: () -> Unit) {
 
                 LaunchedEffect(reaction) {
                     if (reaction !in RevoltAPI.userCache) {
-                        RevoltAPI.userCache[reaction] = fetchUser(reaction)
+                        try {
+                            RevoltAPI.userCache[reaction] = fetchUser(reaction)
+                        } catch (e: Exception) {
+                            // too bad!
+                        }
                     }
                 }