How to reproduce:
1. Open the attached “IN-119628” project
2. In the Project window, select the “cat” prefab
3. In the Tile Palette window, observe the TileMap grid

Expected result: TileMap grid is visible
Actual result: TileMap grid is invisible

Reproducible with: 2023.3.0b10, 6000.0.60f1, 6000.2.8f1, 6000.3.0b6, 6000.4.0a2
Could not test with: 2023.1.0a1, 2023.3.0a2(By downgrading the packages, renderers and 2d features don’t work)

Reproduced on: macOS 15.6 (M1)
Not reproduced on: No other environment tested

Notes: It only reproduces it if the Screen Space Ambient Occlusion render feature is enabled.