fix: llm node do not pass sys.query in chatflow app init (#11053)

web/app/components/workflow/hooks/use-workflow-template.ts

@@ -22,6 +22,7 @@ export const useWorkflowTemplate = () => {
         ...nodesInitialData.llm,
         memory: {
           window: { enabled: false, size: 10 },
+          query_prompt_template: '{{#sys.query#}}',
         },
         selected: true,
       },