Post Settings: It is possible to input emojis if you toggle Show Password

[startuptester]

Expected behavior

I should not be able to use emojis in my password

Actual behavior

Steps to reproduce the behavior

1. Open Post Setting and choose Password Protected in the Visibility options
2. Tap on the View Password icon in the password field
3. Notice that emojis are now enabled

Tested on iPhone 12 Pro, iOS 14.3, WPiOS 16.6.0.3