Track info.Err in the status field

This allows the reconcilation errors such as errors encountered in the
object transformers to be tracked in the field `status.errors`.

Author: haiyanmeng

pkg/patterns/addon/pkg/status/kstatus.go

@@ -88,6 +88,15 @@ func (k *kstatusAggregator) BuildStatus(ctx context.Context, info *declarative.S
 
 	shouldComputeHealthFromObjects := info.Manifest != nil && info.LiveObjects != nil
 	if info.Err != nil {
+		isNewError := true
+		for _, err := range currentStatus.Errors {
+			if err == info.Err.Error() {
+				isNewError = false
+			}
+		}
+		if isNewError {
+			currentStatus.Errors = append(currentStatus.Errors, info.Err.Error())
+		}
 		switch info.KnownError {
 		case declarative.KnownErrorApplyFailed:
 			currentStatus.Phase = "Applying"