*Steps to reproduce:*
# Open notepad and write the text "hello world"
# Highlight the text, right click and press Copy (or use the shortcut Ctrl + C)
# Open a Unity project
# Open the UI Builder via Window > UI Toolkit > UI Builder
# Add a label by dragging it from the Library to the Hierarchy
# Right click on the label and press 'Duplicate' (or use the shortcut Ctrl + D)
# Re-open notepad
# Right click the input area and press Paste (or use the shortcut Ctrl + V)

*Actual results:* The UXML markup for the label control is pasted into the notepad editor

*Expected results:* The text 'hello world' is pasted into the notepad editor

*Reproducible with versions:* 6000.0.12f1. 2022.3.39f1, 2021.3.40f1

*Not reproducible with versions:* -

*Can’t test with versions:* -

*Tested on (OS):* Windows 10. Windows 11

*Notes:* -