“Default Renderer is missing” error is thrown when converting Rendering Settings with the Render Pipeline Converter even though the Default Renderer is set and not missing

Steps to reproduce:

1. Create a new Unity project using the Universal 3D template
2. Open the Render Pipeline Converter window (Window > Rendering > Render Pipeline Converter)
3. Check the Rendering Settings checkbox
4. Click the "Initialize And Convert" button
5. Click on the Rendering Settings
6. Select All
7. Click the "Back" button
8. Repeat step 4
9. Close the Render Pipeline Converter window
10. Repeat the 2, 3, 4, 5, 6, 7, 8 steps
11. Observe the Console window

Actual results: "Default Renderer is missing, make sure there is a Renderer assigned as the default on the current Universal RP asset:PC_PipelineAsset" error is thrown

Expected results: No errors are thrown

Reproducible with versions: 2022.3.64f1, 6000.0.54f1, 6000.1.13f1, 6000.2.0b11, 6000.3.0a3

Tested on (OS): Ubuntu 24.04, macOS Silicon Sequoia 15.5