Gizmo color is lost in Prefab Mode with Gray context even when the Gizmo is on the root Prefab GameObject

Steps to reproduce:
1. Open the attached “GizmoDrawColorBug.zip“ project
2. Open the “SampleScene” scene
3. Open the “GizmoTest” Prefab from the Hierarchy in Prefab Mode
4. Make sure the Context is set to “Gray”
5. Observe the Scene View

Actual result: Gizmos are gray
Expected result: Gizmos are colored

Reproducible with: 6000.0.0f1, 6000.0.80f1, 6000.3.20f1, 6000.5.5f1, 6000.6.0b5, 6000.7.0a3

Reproducible on: macOS Sequoia 15.7.5 (M1 Max)
Not reproducible on: No other environments tested

Note: Documentation states - Gray Context: Displays the prefab in context with the rest of the scene in gray.