How to reproduce:
1. Create a new URP Unity Project
2. In the Project window, right-click -> Shader Graph -> URP -> Lit Shader Graph
3. Open the created Shader Graph, Blackboard -> Plus sign -> Matrix 4
4. Select the created variable in the Blackboard
5. Observe the Graph Inspector
Expected results: The Matrix values fit the Graph Inspector or the horizontal scroll bar appears
Actual results: The Matrix values don't fit the default Graph Inspector size but the horizontal scrollbar doesn't appear
Reproducible with: 2021.3.44f1, 2022.3.49f1, 6000.0.23f1
Reproducible on: macOS Sequoia 15.0 (M1)
Not reproducible on: No other environment tested