Stale IntersectionObserver entries abort callbacks for active observers

Description

The IntersectionObserver manager explicitly tolerates stale native entries when an observer is disconnected between commit and mount. However, encountering one missing registration returns from the entire notification pass, dropping every later entry and callback in the same native batch, including entries for still-active observers.

Expected behavior

A stale entry for a disconnected observer should be ignored while notification continues for all active observers in the batch, matching the equivalent ResizeObserver handling.

React Native Version

0.87.1 and current main

Affected Platforms

New Architecture - All

从 IntersectionObserver 管理器的通知遍历开始，将其对过期条目的处理与 issue 中提到的 ResizeObserver 的等效处理进行比较。重现或检查一个包含已断开连接的 observer、其后跟着活动 observer 的批次，然后验证过期条目会被忽略，后续的活动回调仍会运行。