Add error filter to admin trace API (#7923)

This allows MinIO to have the ability to send back only error trace

cmd/handler-utils.go

@@ -394,3 +394,20 @@ func getHostName(r *http.Request) (hostName string) {
 	}
 	return
 }
+
+func isHTTPStatusOK(statusCode int) bool {
+	// List of success status.
+	var successStatus = []int{
+		http.StatusOK,
+		http.StatusCreated,
+		http.StatusAccepted,
+		http.StatusNoContent,
+		http.StatusPartialContent,
+	}
+	for _, okstatus := range successStatus {
+		if statusCode == okstatus {
+			return true
+		}
+	}
+	return false
+}