Reproduction steps:
1. Open the attached “IN-91071” project
2. Open the “Scenes/Tutorial” Scene
3. Select the “BurnProjector” GameObject in the Hierarchy window
4. Disable or remove “UrpDecalFixer” component in the Inspector window
5. Enter the Play Mode
6. Observe the “BurnProjector” GameObject in the Scene View

Expected result: Decal is fading in
Actual result: Decal stays invisible

Reproducible with: 2022.3.57f1, 6000.0.36f1, 6000.1.0b5, 6000.2.0a2

Reproducible on: Windows 10, Windows 11 (user)
Not reproducible on: No other environments tested