TouchScreenKeyboard allows an extra character when characterLimit is set

How to reproduce:
1. Open the attached Project "ReproProject"
2. Add the Scene "Scene1" to the Scene List
3. Build and Run on an iOS device
4. In the Player press the Button "OpenKeyboard"
5. Type as many characters as you are allowed with the opened Keyboard

Expected result: 5 characters are allowed to be typed
Actual result: 6 characters are allowed

Reproducible with: 2021.3.41f1, 2022.3.39f1, 6000.0.12f1

Reproduced on:

• iPhone 13 Pro (iOS 16.6.1)
  Did not reproduce on:
• VLNQA00122, Samsung Galaxy S9 (SM-G960F), Android 10, CPU: Exynos 9 (9810), GPU: Mali-G72