No notification of failure of CFE_EVS_Register() in TO_LAB_init()

[thnkslprpt]

Describe the bug
to_lab currently has no notification of a failure of CFE_EVS_Register() in TO_LAB_init()

Code snips

to_lab/fsw/src/to_lab_app.c

Lines 146 to 156 in 7ca124c

	/*
	** Register with EVS
	*/
	CFE_EVS_Register(NULL, 0, CFE_EVS_EventFilter_BINARY);
	/*
	** Initialize housekeeping packet (clear user data area)...
	*/
	CFE_MSG_Init(CFE_MSG_PTR(TO_LAB_Global.HkTlm.TelemetryHeader), CFE_SB_ValueToMsgId(TO_LAB_HK_TLM_MID),
	sizeof(TO_LAB_Global.HkTlm));
	status = CFE_TBL_Register(&TO_SubTblHandle, "TO_LAB_Subs", sizeof(*TO_LAB_Subs), CFE_TBL_OPT_DEFAULT, NULL);

Expected behavior
Add CFE_ES_WriteToSysLog() to inform the user of failure to register with EVS.

Reporter Info
Avi Weiss @thnkslprpt