[6.0.x] Fix crash when using WebSockets with URLSession.shared #5131
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Explanation: Prevents a
fatalError
when using aURLSessionWebSocketTask
fromURLSession.shared
.Scope: Only impacts
URLSessionWebSocketTask
.Original PR: #5128
Risk: Low - Small change to not
fatalError
in a supported config.Testing: Added unit test, local testing with websocket-enabled curl, swift-ci
Reviewer: @parkera
Resolves #4730 for
release/6.0