[iOS] Spellcheck misspelled word text background scrolls outside of text box

Can reproduce CR: To clarify, this is a bug involving iOS' autocorrect feature, not spellcheck. ;; Version 2026.09.100, Beta 7, Channel Beta, Build 81, iOS 27.0.1 (arm64), Device iPhone14,4, Locale en-US, Push apns, Flutter 3.47.5, Dart 3.13.4