unsend for me only on a closed group only deletes locally

also do not await request to PN server

ts/interactions/conversations/unsendingInteractions.ts

@@ -187,7 +187,7 @@ async function unsendMessageJustForThisUser(
 
   const unsendMsgObjects = getUnsendMessagesObjects(msgsToDelete);
 
-  // sending to recipient all the messages separately for now
+  // sending to our other devices all the messages separately for now
   await Promise.all(
     unsendMsgObjects.map(unsendObject =>
       getMessageQueue()
@@ -279,6 +279,17 @@ const doDeleteSelectedMessages = async ({
     }
     return unsendMessagesForEveryone(conversation, selectedMessages);
   }
+
+  // delete just for me in a closed group only means delete locally
+  if (conversation.isClosedGroup()) {
+    await deleteMessagesFromSwarmAndCompletelyLocally(conversation, selectedMessages);
+
+    // Update view and trigger update
+    window.inboxStore?.dispatch(resetSelectedMessageIds());
+    ToastUtils.pushDeleted();
+    return;
+  }
+  // otherwise, delete that message locally, from our swarm and from our other devices
   return unsendMessageJustForThisUser(conversation, selectedMessages);
 
   //#endregion

ts/pushnotification/PnServer.ts

@@ -16,7 +16,10 @@ export async function notifyPnServer(wrappedEnvelope: ArrayBuffer, sentTo: strin
     },
   };
   const endpoint = 'notify';
-  return serverRequest(`${pnServerUrl}/${endpoint}`, options);
+  const ret = await serverRequest(`${pnServerUrl}/${endpoint}`, options);
+  if (!ret) {
+    window?.log?.warn('Push notification server request returned false');
+  }
 }
 
 type ServerRequestOptionsType = {

ts/receiver/contentMessage.ts

@@ -501,8 +501,16 @@ async function handleTypingMessage(
 async function handleUnsendMessage(envelope: EnvelopePlus, unsendMessage: SignalService.Unsend) {
   const { author: messageAuthor, timestamp } = unsendMessage;
 
-  //#region early exit conditions
+  if (messageAuthor !== (envelope.senderIdentity || envelope.source)) {
+    window?.log?.error(
+      'handleUnsendMessage: Dropping request as the author and the sender differs.'
+    );
+    await removeFromCache(envelope);
+
+    return;
+  }
   if (!unsendMessage) {
+    //#region early exit conditions
     window?.log?.error('handleUnsendMessage: Invalid parameters -- dropping message.');
   }
   if (!timestamp) {

ts/session/sending/MessageSentHandler.ts

@@ -95,11 +95,8 @@ export class MessageSentHandler {
       if (!wrappedEnvelope) {
         window?.log?.warn('Should send PN notify but no wrapped envelope set.');
       } else {
-        // we do not really care about the retsult.
-        const pnNotifyRet = await PnServer.notifyPnServer(wrappedEnvelope, sentMessage.device);
-        if (!pnNotifyRet) {
-          window?.log?.warn('Push notification server request returned false');
-        }
+        // we do not really care about the result, neither of waiting for it
+        void PnServer.notifyPnServer(wrappedEnvelope, sentMessage.device);
       }
     }