Fixed created & updated columns in dashboard table

pkg/models/dashboards.go

@@ -73,9 +73,12 @@ func NewDashboardFromJson(data map[string]interface{}) *Dashboard {
 
 		if dash.Data["version"] != nil {
 			dash.Version = int(dash.Data["version"].(float64))
+			dash.Updated = time.Now()
 		}
 	} else {
 		dash.Data["version"] = 0
+		dash.Created = time.Now()
+		dash.Updated = time.Now()
 	}
 
 	return dash