feat(tablepanel): minor fix

public/app/panels/table/editor.ts

@@ -95,6 +95,7 @@ export function tablePanelEditor() {
           colors: ["rgba(245, 54, 54, 0.9)", "rgba(237, 129, 40, 0.89)", "rgba(50, 172, 45, 0.97)"],
           colorMode: null,
           pattern: '/.*/',
+          dateFormat: 'YYYY-MM-DD HH:mm:ss',
           thresholds: [],
         };