Grpc.Core.RpcException when using a proxy and Entities 1.0.0-exp.12

Reproduction steps:
1. Open Proxy settings on Windows
2. Under "Manual proxy setup" turn on "Use a proxy server"
3. Set the address and port as described in the internal notes
4. Save the settings
5. Open the attached "GRPC_Excp" project

Expected result: There are no errors in the Console window when the project opens
Actual result: There is an error:
"Unhandled Exception: Grpc.Core.RpcException: Status(StatusCode="Internal", Detail="Error starting gRPC call. HttpRequestException: Requesting HTTP version 2.0 with version policy RequestVersionOrHigher while unable to establish HTTP/2 connection.", DebugException="System.Net.Http.HttpRequestException: Requesting HTTP version 2.0 with version policy RequestVersionOrHigher while unable to establish HTTP/2 connection."

Reproducible with: 1.0.0-exp.12 (2022.2.0b9, 2023.1.0a12)

Reproducible on: Windows 10

Note: QA couldn't reproduce this issue on Windows 10, remote Windows 10 and remote Windows 11