Use new HTTP stream format within the new UX

Use updated format for HTTP streamed responses from the Khoj server in the new chat UX
Remove references to the websocket connected field, as websocket use has been deprecated

src/interface/web/app/settings/page.tsx

@@ -271,7 +271,7 @@ interface TokenObject {
     name: string;
 }
 
-export const useApiKeys = () => {
+const useApiKeys = () => {
     const [apiKeys, setApiKeys] = useState<TokenObject[]>([]);
     const { toast } = useToast();
 
@@ -649,7 +649,6 @@ export default function SettingsView() {
             </title>
             <div className={styles.sidePanel}>
                 <SidePanel
-                    webSocketConnected={true}
                     conversationId={null}
                     uploadedFiles={[]}
                     isMobileWidth={isMobileWidth}