"Image not found" warnings thrown in the Console for Download-Available icons when opening Shader Graph Templates window

Steps to reproduce:
1. Create new Unity project using Universal 3D Template
2. Open Shader Graph Templates window (right-click in Project window > Create > Shader Graph > From Template…)
3. When the window opens, observe the Console window

Actual results: Warnings are thrown in the Console window

Expected results: No warnings are thrown in the Console window

Reproducible with versions: 6000.7.0a4

Not reproducible with versions: 6000.7.0a3

Tested on (OS): macOS Tahoe 26.5.2 (M1)

Image not found for path: Icons/PackageManager/Dark/Download-Available@2x.png
UnityEditor.GUIView:ProcessEvent (UnityEngine.EntityId,intptr,bool&) (at /Users/bokken/build/output/unity/unity/Editor/Mono/GUIView.cs:86)

Image not found for path: Icons/PackageManager/Light/Download-Available@2x.png
UnityEditor.GUIView:ProcessEvent (UnityEngine.EntityId,intptr,bool&) (at /Users/bokken/build/output/unity/unity/Editor/Mono/GUIView.cs:86)