cloudapi: Omit details in compose status job error if nil

internal/cloudapi/v2/handler.go

@@ -722,11 +722,14 @@ func composeStatusErrorFromJobError(jobError *clienterrors.Error) *ComposeStatus
 	if jobError == nil {
 		return nil
 	}
-	return &ComposeStatusError{
+	err := &ComposeStatusError{
-		Id:      int(jobError.ID),
+		Id:     int(jobError.ID),
-		Reason:  jobError.Reason,
+		Reason: jobError.Reason,
-		Details: &jobError.Details,
 	}
+	if jobError.Details != nil {
+		err.Details = &jobError.Details
+	}
+	return err
 }
 
 func imageStatusFromOSBuildJobStatus(js *worker.JobStatus, result *worker.OSBuildJobResult) ImageStatusValue {

internal/cloudapi/v2/v2_koji_test.go

@@ -215,7 +215,6 @@ func TestKojiCompose(t *testing.T) {
 				"image_status": {
 					"status": "failure",
 					"error": {
-						"details": null,
 						"id": 10,
 						"reason": "Koji build error"
 					}
@@ -224,7 +223,6 @@ func TestKojiCompose(t *testing.T) {
 					{
 						"status": "failure",
 						"error": {
-							"details": null,
 							"id": 10,
 							"reason": "Koji build error"
 						}

internal/cloudapi/v2/v2_test.go

@@ -720,7 +720,6 @@ func TestComposeStatusFailure(t *testing.T) {
 		"image_status": {
 			"error": {
 				"id": 10,
-				"details": null,
 				"reason": "osbuild build failed"
 			},
 			"status": "failure"
@@ -798,7 +797,6 @@ func TestComposeJobError(t *testing.T) {
 		"image_status": {
 			"error": {
 				"id": 10,
-				"details": null,
 				"reason": "Error building image"
 			},
 			"status": "failure"