ProBuilder's Dimensions Overlay does not update when the Mesh shape is changed

Steps to reproduce:

1. Create a new Unity project using the Universal 3D template
2. Install the ProBuilder package (com.unity.probuilder)
3. Create a new PolyShape (Tools > ProBuilder > Editors > Create PolyShape)
4. Enable the Dimensions Overlay (Tools > ProBuilder > Dimensions Overlay > Show)
5. Click the "Edit Poly Shape" button in the Inspector window
6. Change one of the dimensions in the Scene View (resize)
7. Observe the dimensions shown in the Scene View

Actual results: The dimensions did not update

Expected results: The dimensions update according to changes

Reproducible with versions: 6.0.9 (6000.0.0f1, 6000.0.80f1), 6.1.2 (6000.3.21f1, 6000.5.6f1, 6000.6.0b6, 6000.7.0a3)

Tested on (OS): MacOS Silicon Tahoe 26.5.1, Windows 11