message: fix(app-shell): Add missing existence check to FF object
diff: @@ -27,7 +27,7 @@ let updateApiVersion: string
  let updateServerVersion: string
  export function registerBuildrootUpdate(dispatch: Dispatch) {
  - const buildrootEnabled = getConfig('devInternal').enableBuildRoot
  + const buildrootEnabled = getConfig('devInternal')?.enableBuildRoot
  if (buildrootEnabled) {
  initializeUpdateFileInfo()
  