For request with OPTIONS method, body erased after fetching

[pinball83]

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Issue Info

Info	Value
Platform Name		flutter
Platform Version		1.17.1
Dio Version		3.0.10
Android Studio / Xcode Version		Android Studio 4.0
Repro rate	all the time (100%)	all the time (100%
Repro with our demo prj	does it happen with our demo project?	yes
Demo project link	link to a demo project that highlights the issue	yes

Issue Description and Steps

Request with OPTIONS method, body erased after fetching

[jamesmoore255]

Can confirm this is happening with me as well. I have downgraded to 3.0.9 and it works fine.

The response data is always returning as null in any request with Options().

[stale]

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