*Steps to reproduce:*
# Create or open any HDRP Project with the Shader Graph package installed
# Create the "PBR Sky Shader Graph" Shader Graph
# Open it and observe the Console
# Enter Play Mode and observe the Console

*Actual results:* On Windows: Warning "[Worker0] Attempting to draw with missing bindings
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)" logged multiple times when the Shader Graph Window is open
Error "Objects are trying to be loaded during a domain backup. This is not allowed as it will lead to undefined behaviour!

On Windows and macOS: UnityEditor.Graphing.GraphObject:OnBeforeSerialize ()" is logged 6 times when entering Play Mode

*Expected results:* No Warnings or errors are logged

*Reproducible with versions:* 6000.0.48f1, 6000.1.1f1, 6000.2.0a10

Not reproducible with: 2022.3.61f1 (No PBR Sky Shader Graph" Shader Graph)

*Tested on (OS):* Windows 11, macOS 15