fix: socket readiness fixes for windows, doesnt get stuck in reconnect loops any more

[braindigitalis]

We now throw when receiving a discord client websocket error. This is vital to push the unwind up the stack and make it reconnect properly like we do for ft_reconnect.
Also connects immediately if connect() returns 0 and properly picks up WSAEINPROGRESS (10035)

Code change checklist

• I have ensured that all methods and functions are fully documented using doxygen style comments.
• My code follows the coding style guide.
• I tested that my change works before raising the PR.
• I have ensured that I did not break any existing API calls.
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