fix: cleanup NoticeBanner jsx

ts/components/conversation/SessionConversation.tsx

@@ -262,8 +262,7 @@ export class SessionConversation extends React.Component<Props, State> {
       <SessionTheme>
         <div className="conversation-header">
           <ConversationHeaderWithDetails />
-          {selectedConversation?.hasOutdatedClient &&
+          {selectedConversation?.hasOutdatedClient?.length ? (
-            selectedConversation.hasOutdatedClient.length > 0 && (
             <NoticeBanner
               text={bannerText}
               dismissCallback={() => {
@@ -272,7 +271,7 @@ export class SessionConversation extends React.Component<Props, State> {
                 void conversation.commit();
               }}
             />
-            )}
+          ) : null}
         </div>
         {isSelectedConvoInitialLoadingInProgress ? (
           <ConvoLoadingSpinner />