Feat: Create a data flow #9869 (#10131)

### What problem does this PR solve?

Feat: Create a data flow #9869

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/data-flow/hooks/use-save-graph.ts

@@ -22,6 +22,7 @@ export const useSaveGraph = (showMessage: boolean = true) => {
       return setAgent({
         id,
         title: data.title,
+        canvas_category: data.canvas_category,
         dsl: buildDslData(currentNodes),
       });
     },