*Steps to reproduce:*
# Create a new Unity project using Universal 3D template
# Create a new UI Document (Assets > Create > UI Toolkit > UI Document)
# Open the created UI Document
# Add a Label from Library to the Hierarchy in UI Builder window
# Rename the Label in the Hierarchy to "asdasd" and save
# Change the Label name in the Inspector to "asd'" (with the ' symbol) and press Enter
# After the label attribute warning is shown, press Enter again to select the whole name string in the Inspector
# Press any keys on the keyboard (for example "asd")
# Observe the Console window

*Actual results:* Every time a key is pressed an "ArgumentOutOfRangeException: startIndex cannot be larger than length of string." error is thrown

*Expected results:* No errors are thrown

*Reproducible with versions:* 6000.0.50f1, 6000.1.6f1, 6000.2.0a8, 6000.2.0b4

*Not reproducible with versions:* 2022.3.62f1, 6000.2.0a7

*Tested on (OS):* macOS SIlicon Sequoia 15.3