Merge pull request #52811 from bernhardoj/fix/52579-new-message-shows-when-creating-new-expense

Author: dangrous

src/libs/ReportUtils.ts

@@ -5165,6 +5165,7 @@ function buildOptimisticReportPreview(
         actorAccountID: hasReceipt ? currentUserAccountID : reportActorAccountID,
         childReportID: childReportID ?? iouReport?.reportID,
         childMoneyRequestCount: 1,
+        childLastActorAccountID: currentUserAccountID,
         childLastMoneyRequestComment: comment,
         childRecentReceiptTransactionIDs: hasReceipt && !isEmptyObject(transaction) ? {[transaction?.transactionID ?? '-1']: created} : undefined,
     };

src/pages/home/report/ReportActionsList.tsx

@@ -283,7 +283,7 @@ function ReportActionsList({
             }
 
             // If no unread marker exists, don't set an unread marker for newly added messages from the current user.
-            const isFromCurrentUser = accountID === (ReportActionsUtils.isReportPreviewAction(message) ? !message.childLastActorAccountID : message.actorAccountID);
+            const isFromCurrentUser = accountID === (ReportActionsUtils.isReportPreviewAction(message) ? message.childLastActorAccountID : message.actorAccountID);
             const isNewMessage = !prevSortedVisibleReportActionsObjects[message.reportActionID];
 
             // The unread marker will show if the action's `created` time is later than `unreadMarkerTime`.