Merge pull request Expensify#79397 from s77rt/group-solo-welcome-message

Chat welcome message: Exclude current user only if not only one

Author: MariaHCD

src/components/ReportWelcomeText.tsx

@@ -121,7 +121,10 @@ function ReportWelcomeText({report, policy}: ReportWelcomeTextProps) {
 
         return translate('reportActionsView.sayHello');
     }, [isChatRoom, isInvoiceRoom, isPolicyExpenseChat, isSelfDM, isSystemChat, translate, policyName, reportName]);
-    const participantAccountIDsExcludeCurrentUser = getParticipantsAccountIDsForDisplay(report, undefined, undefined, true);
+
+    // If we are the only participant (e.g. solo group chat) then keep the current user personal details so the welcome message does not show up empty.
+    const shouldExcludeCurrentUser = participantAccountIDs.length > 0;
+    const participantAccountIDsExcludeCurrentUser = getParticipantsAccountIDsForDisplay(report, undefined, undefined, shouldExcludeCurrentUser);
     const participantPersonalDetailListExcludeCurrentUser = Object.values(
         getPersonalDetailsForAccountIDs(participantAccountIDsExcludeCurrentUser, personalDetails as OnyxInputOrEntry<PersonalDetailsList>),
     );