fix core dump screenshot (#2911)

* fix core dump screenshot

* make it robust

src/AppState.tsx

@@ -10,12 +10,10 @@ Please do not fill this up with junk.
 
 interface AppState {
   isStreamReady: boolean
-  htmlRef: React.RefObject<HTMLDivElement> | null
   setAppState: (newAppState: Partial<AppState>) => void
 }
 
 const AppStateContext = createContext<AppState>({
-  htmlRef: null,
   isStreamReady: false,
   setAppState: () => {},
 })
@@ -24,7 +22,6 @@ export const useAppState = () => useContext(AppStateContext)
 
 export const AppStateProvider = ({ children }: { children: ReactNode }) => {
   const [appState, _setAppState] = useState<AppState>({
-    htmlRef: null,
     isStreamReady: false,
     setAppState: () => {},
   })
@@ -34,7 +31,6 @@ export const AppStateProvider = ({ children }: { children: ReactNode }) => {
   return (
     <AppStateContext.Provider
       value={{
-        htmlRef: appState.htmlRef,
         isStreamReady: appState.isStreamReady,
         setAppState,
       }}