Fixes suspending on coroutineScope and never returning bug

quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/relay/client/accessories/NostrClientSendAndWaitExt.kt

@@ -91,6 +91,7 @@ suspend fun INostrClient.sendAndWaitForResponse(
     // subscribe before sending the result.
     val resultSubscription =
         coroutineScope {
+            val result =
                 async(Dispatchers.IO) {
                     val receivedResults = mutableMapOf<NormalizedRelayUrl, Boolean>()
                     // The withTimeout block will cancel the coroutine if the loop takes too long
@@ -107,10 +108,12 @@ suspend fun INostrClient.sendAndWaitForResponse(
                     }
                     receivedResults
                 }
-        }
 
             send(event, relayList)
 
+            result
+        }
+
     val receivedResults = resultSubscription.await()
 
     unsubscribe(subscription)