Shader variants are compiled when creating a server build

Reproduction steps:
1. Open the attached “IN-102596” project
2. Open the Build Profiles window (File > Build Profiles)
3. Select the “Linux Server” Build Profile
4. Build the Project
5. Observe the build processes

Expected result: “Compiling shader variants” process is not included
Actual result: “Compiling shader variants” process is included

Reproducible with: 6000.0.54f1, 6000.1.14f1, 6000.2.0b12, 6000.3.0a3

Reproducible on: Windows 10, Ubuntu 25.04
Not reproducible on: No other environments tested

Notes:

• If the issue does not reproduce, try deleting the “Library” folder and doing a Clean Build
• Original discussion: https://discussions.unity.com/t/disabling-compilation-of-shader-variants-for-the-server-build/1641241/8