修复Text在缩略的情况下，emoji被截断的问题。

[zhazhaxia]

描述： 在Android下，文本缩略的时候，如果末尾是emoji，会有编码缩略异常。 如图：

这里猜测是unicode截断了。

麻烦官方修复下，感谢。

[zhazhaxia]

对应的文本是： milo-test2😍😚😌😉😄🙂😉nᥬ😂᭄ᥬ🦀🦀♟

[github-actions[bot]]

🤖: Pay attention 🛎️ !! There has been no activity on this issue for 2 months, so I will label it stalled. It will be automatically closed in 60 days if no more activity. Feel free to leave a comment if you have any questions.

[zoomchan-cxj]

#2221 has fixed it