fix: include legacy and new open groups in server ID tracking (#941)

libsession/src/main/java/org/session/libsession/messaging/sending_receiving/MessageSender.kt

@@ -1,6 +1,5 @@
 package org.session.libsession.messaging.sending_receiving
 
-import com.goterl.lazysodium.utils.KeyPair
 import nl.komponents.kovenant.Promise
 import nl.komponents.kovenant.deferred
 import org.session.libsession.messaging.MessagingModuleConfiguration
@@ -338,8 +337,23 @@ object MessageSender {
                 storage.setMessageServerHash(messageID, it)
             }
             // Track the open group server message ID
-            if (message.openGroupServerMessageID != null && destination is Destination.LegacyOpenGroup) {
-                val encoded = GroupUtil.getEncodedOpenGroupID("${destination.server}.${destination.roomToken}".toByteArray())
+            if (message.openGroupServerMessageID != null && (destination is Destination.LegacyOpenGroup || destination is Destination.OpenGroup)) {
+                val server: String
+                val room: String
+                when (destination) {
+                    is Destination.LegacyOpenGroup -> {
+                        server = destination.server
+                        room = destination.roomToken
+                    }
+                    is Destination.OpenGroup -> {
+                        server = destination.server
+                        room = destination.roomToken
+                    }
+                    else -> {
+                        throw Exception("Destination was a different destination than we were expecting")
+                    }
+                }
+                val encoded = GroupUtil.getEncodedOpenGroupID("$server.$room".toByteArray())
                 val threadID = storage.getThreadId(Address.fromSerialized(encoded))
                 if (threadID != null && threadID >= 0) {
                     storage.setOpenGroupServerMessageID(messageID, message.openGroupServerMessageID!!, threadID, !(message as VisibleMessage).isMediaMessage())