Ack data even if it has been received already

android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothBeurerSanitas.java

@@ -350,9 +350,10 @@ public class BluetoothBeurerSanitas extends BluetoothCommunication {
             remoteUsers.add(new RemoteUser(decodeUserId(data, 4), name, year));
 
             Timber.d("Received user %d/%d: %s (%d)", current, count, name, year);
-            sendAck(data);
         }
 
+        sendAck(data);
+
         if (current != count) {
             return;
         }