Reproduction steps:
1. Create a new project
2. Create any Shader Graph (Create > Shader Graph)
3. Double-click on the newly created Asset to open Shader Graph window
4. Click on the “” button in the Blackboard and select “Category”
5. Click on the “” button in the Blackboard, select any option and drag it into the Category
6. Click on the Category and observe Graph Inspector

Actual result: Node information is briefly displayed in the Graph Inspector
Expected result:  Node information is not displayed

Reproducible with: 6000.0.66f1, 6000.3.6f1, 6000.4.0b6, 6000.5.0a5

Reproduced on: Windows 11, macOS Sequoia 26.2 (M4)

Note: First Node in the Category section is briefly displayed if Category has more than one Node