Sends an event message on failure of registering with EVS

[skliper]

Checklist (Please check before submitting)

• I reviewed the Contributing Guide.
• I performed a cursory search to see if the bug report is relevant, not redundant, nor in conflict with other tickets.

Describe the bug
CFE_EVS_SendEvent is used when CFE_EVS_Register fails. Should use CFE_ES_WriteToSysLog for a better chance of actually recording the error.

Expected behavior
Use a mechanism for reporting errors that's more likely to succeed in case of an EVS registration failure.

Code snips

DS/fsw/src/ds_app.c

Lines 197 to 206 in 04c0154

	/*
	** Initialize interface to cFE Event Services...
	*/
	Result = CFE_EVS_Register(NULL, 0, 0);
	if (Result != CFE_SUCCESS)
	{
	CFE_EVS_SendEvent(DS_INIT_ERR_EID, CFE_EVS_EventType_ERROR, "Unable to register for EVS services, err = 0x%08X",
	(unsigned int)Result);
	}

System observed on:
N/A

Additional context
Recommend checking the rest of the apps and marking as bug.

Reporter Info
Jacob Hageman - NASA/GSFC

[thnkslprpt]

DS and FM have this issue.
The rest already use CFE_ES_WriteToSysLog on failure of CFE_EVS_Register.

[thnkslprpt]

Issue for FM: nasa/FM#87