Water is leaking uniforms

Steps to reproduce:

1. Create a Shader Graph with the property "Foam Smoothness" and set the reference to _FoamSmoothness

Actual results: There is conflicts between properties even if water is disabled

Expected results: There shouldn't be any conflicts. 

Reproducible with versions: 2023.3 / 2023.2 / Unity 6

Not reproducible with versions: 2022.3

Can’t test with versions: 

Tested on (OS): 

Notes:

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