Can't assign description property to workbook item

[dev-mkc19]

Describe the bug
Can't assign description property to WorkbookItem as I can with others properties. I noticed that tests skips this property for unknown reasons.

Versions
Details of environment, including:

• Tableau Server version 2021.2.1 (20212.21.0712.0907) 64-bit Linux
• Python version 3.6.8
• TSC library version 0.16.0

To Reproduce

print(type(wbs[0]))
wbs[0].description = 'new description'

Results
AttributeError: can't set attribute

[jacalata]

This wasn't included in that other CL at all, oops.

[jacalata]

The workbook description needs to be enabled server-side, for some reason.