Steps to reproduce:

1. Create or open any HDRP Project with the Shader Graph package installed
2. Create the "PBR Sky Shader Graph" Shader Graph
3. Open it and observe the Console
4. 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