How to reproduce:
1. Open the "IN_29802" project
2. Open the “SampleScene” in “Assets/Scene1”
3. Run the server by opening the "Server" Script
4. Select the "Main Camera" GameObject
5. Right-click on the "Test Script" Script in the Inspector
6. Press "Test UWR"
7. Open the "http://127.0.0.1:2301/foo”
8. Observe the "Server" Script window
Expected result: "%7E" is not added in the URL header
Actual result: "%7E" is added to the URL header
Reproducible with: 2020.3.47f1, 2021.3.22f1, 2022.2.15f1, 2023.1.0b12, 2023.2.0a10
Reproducible on: Windows 10 Pro