Make sure connection is closed after websocket reader exits #2364
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If a `return` or `throw` is triggered in `startReader` it's possible for the connection to stay open after the `scope(exit)` call. This could mean that `waitForData` never returns.
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If a
returnorthrowis triggered instartReaderit's possible for the connection to stay open after thescope(exit)call. This could mean thatwaitForDatanever returns.