fix ClusterOverride field

Signed-off-by: Roland.Ma <rolandma@yunify.com>

config/crds/tenant.kubesphere.io_workspacetemplates.yaml

@@ -47,6 +47,7 @@ spec:
                             type: string
                           value:
                             type: object
+                            x-kubernetes-preserve-unknown-fields: true
                         required:
                         - path
                         type: object

staging/src/kubesphere.io/api/types/v1beta1/types.go

@@ -44,8 +44,9 @@ type GenericPlacement struct {
 }
 
 type ClusterOverride struct {
-	Op    string               `json:"op,omitempty"`
-	Path  string               `json:"path"`
+	Op   string `json:"op,omitempty"`
+	Path string `json:"path"`
+	// +kubebuilder:pruning:PreserveUnknownFields
 	Value runtime.RawExtension `json:"value,omitempty"`
 }