[W-12465439] Missing boundary for multipart content type #32
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Bug
Missing boundary for multipart content type
Fix
According to form data documentation: do not explicitly set the Content-Type header on the request. Doing so will prevent the browser from being able to set the Content-Type header with the boundary expression it will use to delimit form fields in the request body.
When payload is FormData and multipart content-type, then that header will be removed so it can be calculated with its boundary.