Steps to reproduce:

1. Open Unity Hub
2. Create a new project using the Mixed Reality Template
3. Build the project
4. Observe the console after the build completes

Actual results: The warning appears:
{code:java}
"You are trying to create a MonoBehaviour using the 'new' keyword. This is not allowed. MonoBehaviours can only be added using AddComponent(). Alternatively, your script can inherit from ScriptableObject or no base class at all"
{code}
Expected results: No warnings should occur after building the template

Reproducible with versions: 2.1.2 (6000.2.0b7), 2.1.1 (6000.2.8f1)

Not reproducible with versions: 6000.0.51f1, 6000.1.8f1

Tested on (OS): macOS 15.3 (Intel)