Multipart request cancellation error

[Clasherzz]

Describe the bug/problem

Request Cancellation seems to be not working for multipart request

Steps to Reproduce the bug/problem

Send a multipart request to an endpoint with a noticable delay for response .Cancel the request .Request isn't cancelling.

Expected behavior

Request should have cancelled

Device Info (The device where you encountered this issue)

• OS: Windows

Flutter Doctor

Please run the flutter doctor -v command and provide the details below:

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel main, 3.27.0-1.0.pre.438, on Microsoft Windows [Version 10.0.22631.4751], locale en-IN)
[√] Windows Version (Windows 11 or higher, 23H2, 2009)
[√] Android toolchain - develop for Android devices (Android SDK version 33.0.1)
[√] Chrome - develop for the web
[√] Visual Studio - develop Windows apps (Visual Studio Build Tools 2019 16.11.34)
[√] Android Studio (version 2021.3)
[√] VS Code (version 1.97.2)
[√] Connected device (3 available)
[√] Network resources

• No issues found!