"Curl error 3: URL rejected" is logged in AssetImportWorker logs when Cache Server mode is set to Disabled

How to reproduce:

1. Open the attached "repro_IN-143857.zip" project
2. Ensure Preferences -> Asset Pipeline -> Unity Accelerator (Cache Server) -> Default Mode is set to "Disabled"
3. Ensure Project Settings > Player> Accelerator Cache Server mode = "Use global settings (stored in preferences)"
4. Delete the Library/ folder
5. Reopen the project and wait for the full asset import to complete
6. Close Unity Editor
7. Navigate to Logs/ folder
8. Open AssetImportWorkerHW0.log in a text editor
9. Search for "Curl error 3"
10. Observe the found line

Actual result: "Curl error 3: URL rejected: Malformed input to a URL function" is logged in AssetImportWorkerHW0.log
Expected result: No Curl errors appear in import worker logs when Unity Accelerator is set to Disabled

Reproducible with: 6000.5.0b8, 6000.5.0b10, 6000.6.0a6
Not reproducible with: 6000.3.16f1, 6000.4.9f1, 6000.5.0b7
Could not test with: 6000.0.76f1 (out-of-process import worker log files do not exist in this version)

Reproducible on: Windows 11, Windows 10 (by user)
Not reproducible on: No other environments tested