make messageQueue handle medium group message in sendToGroup

js/models/conversations.js

@@ -1403,7 +1403,7 @@
 
               await libsession
                 .getMessageQueue()
-                .send(destinationPubkey, mediumGroupChatMessage);
+                .sendToGroup(mediumGroupChatMessage);
             } else {
               const closedGroupChatMessage = new libsession.Messages.Outgoing.ClosedGroupChatMessage(
                 {

ts/receiver/mediumGroups.ts

@@ -307,7 +307,7 @@ async function handleMediumGroupChange(
     return;
   }
 
-  // // Check that the sender is admin (make sure it words with multidevice)
+  // Check that the sender is admin (make sure it words with multidevice)
   const isAdmin = true;
 
   if (!isAdmin) {

ts/session/sending/MessageQueue.ts

@@ -7,6 +7,7 @@ import {
   ClosedGroupMessage,
   ContentMessage,
   ExpirationTimerUpdateMessage,
+  MediumGroupMessage,
   OpenGroupMessage,
   SessionRequestMessage,
   SyncMessage,
@@ -51,7 +52,7 @@ export class MessageQueue implements MessageQueueInterface {
   }
 
   public async sendToGroup(
-    message: OpenGroupMessage | ContentMessage
+    message: OpenGroupMessage | ContentMessage | MediumGroupMessage
   ): Promise<void> {
     // Open groups
     if (message instanceof OpenGroupMessage) {
@@ -93,11 +94,18 @@ export class MessageQueue implements MessageQueueInterface {
       groupId = message.groupId;
     } else if (message instanceof ExpirationTimerUpdateMessage) {
       groupId = message.groupId;
+    } else if (message instanceof MediumGroupMessage) {
+      groupId = message.groupId;
     }
 
     if (!groupId) {
       throw new Error('Invalid group message passed in sendToGroup.');
     }
+    // if this is a medium group message. We just need to send to the group pubkey
+    if (message instanceof MediumGroupMessage) {
+      window.log.warn('sending medium ', message, ' to ', groupId)
+      return this.send(PubKey.cast(groupId), message);
+    }
 
     // Get devices in group
     let recipients = await GroupUtils.getGroupMembers(groupId);

ts/session/sending/MessageQueueInterface.ts

@@ -1,6 +1,7 @@
 import {
   ClosedGroupMessage,
   ContentMessage,
+  MediumGroupMessage,
   OpenGroupMessage,
   SyncMessage,
 } from '../messages/outgoing';
@@ -8,7 +9,7 @@ import { RawMessage } from '../types/RawMessage';
 import { TypedEventEmitter } from '../utils';
 import { PubKey } from '../types';
 
-type GroupMessageType = OpenGroupMessage | ClosedGroupMessage;
+type GroupMessageType = OpenGroupMessage | ClosedGroupMessage | MediumGroupMessage;
 
 export interface MessageQueueInterfaceEvents {
   success: (