"_MainTex" reference does not change when selecting a different image within a Material in URP

How to reproduce:
1. Open the “ShaderGraphMainTexIssue” project
2. Open the “SampleScene”
3. In the Hierarchy window select the “Square” GameObject
4. In the Inspector window locate the “Shader Graph_New Shader Graph” Material Component
5. Expand the “Surface Inputs” section
6. Change the image for the “MainTex” field

Expected result: The “MainTex” field is changed with the chosen image
Actual result: The “MainTex” field stays the same

Reproduced with: 2021.3.36f, 2022.3.21f1, 2023.2.13f1, 2023.3.0b10

Reproduced on: Windows 11
Not reproduced on: No other environment tested

Notes:
1. Reproduced with URP
2. Not reproduced with HD RP