VFX attribute names are validated and set when renaming action is canceled with the ESC key on

Steps to reproduce:

1. Create and open a new project
2. Install the "Visual Effect Graph" package
3. Create and open a new empty VFX
4. Create an attribute
5. Press F2 to rename it
6. Type in any name and press ESC
7. Observe the attribute 

Actual results: The attribute's name is set to the newly typed name

Expected results: The attribute's name is reset to the previous name

Reproducible with versions: 6000.6.0a7

Not reproducible with versions: 6000.0.77f1, 6000.3.18f1, 6000.4.12f1, 6000.5.1f1, 6000.6.0a6

Tested on (OS): Windows 11 Pro (25H2)