Unable to undo editing enum description

The user is unable to undo the editing of the enum description. The output log and undo history would confirm that the undo was carried out, however it did not do anything in reality.

Resetting the description to default would however fixes this, enabling the user to undo edit of the description.

1. Open any project
2. Create a Enumeration and open it
3. At Enum Description, enter "Testing"
4. Press Enter
5. Undo (ctrl+z)

Result - "Testing" remain as the description

Expected - Description becomes empty

Resetting to default fixes the undo edit:

1. Open any project
2. Create a Enumeration and open it
3. At Enum Description, enter "Testing"
4. Press Enter
5. Replace the description with  "Continue Testing" and press Enter
6. Press the yellow arrow and reset to default
7. Press Undo twice

Result - User will now be able to undo from "Continue Testing" to "Testing"