Display glitch when using multiline in TextField

[googol7]

Steps to reproduce

Steps:

1. Open this link to live example: https://mui.com/material-ui/react-text-field/#multiline with iOS simulator Version 16.0 (1038)
2. Click into the first example, so that the TextField get's the focus
3. Click outside so that the TextField looses the focus

Current behavior

With focus

The label "Multiline" is striken through.

Without focus

There's a gap now.

Expected behavior

With focus

Without focus

Context

No response

Your environment

MUI v.6.3.1
iOS simulator Version 16.0 (1038) with Mobile Safari 18

Search keywords: TextField, multiline