fix: fix virtualizedList scrollToEnd for 0 items (#36067)

Summary:
Fixes https://github.com/facebook/react-native/issues/36066

## Changelog

[GENERAL] [FIXED] - VirtualizedList scrollToEnd with no data

Pull Request resolved: https://github.com/facebook/react-native/pull/36067

Test Plan: Run `yarn test VirtualizedList-test`

Reviewed By: jacdebug

Differential Revision: D43041763

Pulled By: javache

fbshipit-source-id: d4d5e871284708a89bf9911d82e9aa97d7625aca