grpc-js: Shutdown transport if a state change occurs while connecting #2644
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In this promise resolution handler, we have a transport that has just finished connecting. We only use it if the subchannel is currently in the CONNECTING state. If it is not, we just drop the transport on the floor. However, it is still holding the resources related to an established connection, so we have to release those by calling
transport.shutdown()
.I discovered this bug while investigating #2641.