Prepare for OGS timestamp handling changes

app/src/main/java/org/thoughtcrime/securesms/service/ExpiringMessageManager.java

@@ -178,6 +178,7 @@ public class ExpiringMessageManager implements SSKEnvironment.MessageExpirationM
   }
 
   private class LoadTask implements Runnable {
+
     public void run() {
       SmsDatabase.Reader smsReader = smsDatabase.readerFor(smsDatabase.getExpirationStartedMessages());
       MmsDatabase.Reader mmsReader = mmsDatabase.getExpireStartedMessages();

libsession/src/main/java/org/session/libsession/messaging/open_groups/OpenGroupAPIV2.kt

@@ -232,7 +232,10 @@ object OpenGroupAPIV2 {
         return send(request).map { json ->
             @Suppress("UNCHECKED_CAST") val rawMessage = json["message"] as? Map<String, Any>
                     ?: throw Error.ParsingFailed
-            OpenGroupMessageV2.fromJSON(rawMessage) ?: throw Error.ParsingFailed
+            val result = OpenGroupMessageV2.fromJSON(rawMessage) ?: throw Error.ParsingFailed
+            val storage = MessagingModuleConfiguration.shared.storage
+            storage.addReceivedMessageTimestamp(result.sentTimestamp)
+            result
         }
     }
     // endregion