Does netif_get_by_index(mTCP->netif_idx) do the right thing? I

[todo]

connectedhomeip/src/inet/TCPEndPoint.cpp

Lines 705 to 715 in 9d9cce1

	// TODO: Does netif_get_by_index(mTCP->netif_idx) do the right thing? I
	// can't quite tell whether LwIP supports a specific interface id for TCP at
	// all. For now just claim no particular interface id.
	*retInterface = INET_NULL_INTERFACEID;
	return INET_NO_ERROR;
	#endif // CHIP_SYSTEM_CONFIG_USE_LWIP
	#if CHIP_SYSTEM_CONFIG_USE_SOCKETS
	union
	{
	sockaddr any;

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This issue was generated by todo based on a TODO comment in 9d9cce1 when #7389 was merged. cc @bzbarsky-apple.