If sorting is not required, return directly in the sorting method (#180)

* If sorting is not required, return directly in the sorting method

* update changelog

* fix changelog

docs/changelog.md

+# v1.5.1
+
+## Bugfix
+
+- if sorting is not required, return directly in the sorting method [#180](https://github.com/kubecube-io/KubeCube/pull/180)
+
+## Dependencies
+
+- hnc v1.0
+- nginx-ingress v0.46.0
+- helm 3.5
+- metrics-server v0.4.1
+- elasticsearch 7.8
+- kubecube-monitoring 15.4.8
+- thanos 3.18.0
+- logseer v1.0.0
+- logagent v1.0.0
+- kubecube-audit v1.2.0
+- kubecube-webconsole v1.2.4
+
 # v1.5.0
 
 ## Feature

pkg/utils/filter/filter.go

@@ -331,6 +331,9 @@ func (f *Filter) fuzzyMatch(items K8sJsonArr) (result K8sJsonArr) {
 
 // sort by .metadata.name/.metadata.creationTimestamp
 func (f *Filter) sort(items K8sJsonArr) K8sJsonArr {
+	if len(f.SortName) == 0 {
+		return items
+	}
 	if len(items) == 0 {
 		return items
 	}