investigate why in ReliableMessageMgr::CheckResendApplicationMessageWithPeerExch...

[todo]

connectedhomeip/src/messaging/ReliableMessageMgr.cpp

Lines 358 to 368 in 14c53de

	// TODO: investigate why in ReliableMessageMgr::CheckResendApplicationMessageWithPeerExchange unit test released exchange
	// context with mExchangeMgr==nullptr is used.
	if (exchangeMgr)
	{
	// After the first failure notify session manager to refresh device data
	if (entry->sendCount == 0)
	{
	exchangeMgr->GetSessionManager()->RefreshSessionOperationalData(entry->ec->GetSessionHandle());
	}
	}
	// Update the counters

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This issue was generated by todo based on a TODO comment in 14c53de when #12263 was merged. cc @kkasperczyk-no.