Refactor: dataset / kb API to RESTFul style (#13690)

### What problem does this PR solve?

1. Split dataset api to gateway and service, and modify web UI to use
restful http api.
2. Old KB releated APIs are commented.

### Type of change

- [x] Refactoring

---------

Co-authored-by: Yingfeng <yingfeng.zhang@gmail.com>

web/src/components/ui/multi-select.tsx

@@ -242,7 +242,9 @@ export const MultiSelect = React.forwardRef<
 
     const disabledValueSet = React.useMemo(() => {
       return new Set(
-        flatOptions.filter((option) => option.disabled).map((option) => option.value),
+        flatOptions
+          .filter((option) => option.disabled)
+          .map((option) => option.value),
       );
     }, [flatOptions]);