Fix: Improved knowledge base configuration and related logic #9869 (#10315)

### What problem does this PR solve?

Fix: Improved knowledge base configuration and related logic #9869
- Optimized the display logic of the Generate Log button to support
displaying completion time and task ID
- Implemented the ability to pause task generation and connect to the
data flow cancellation interface
- Fixed issues with type definitions and optional chaining calls in some
components
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/pages/dataflow-result/components/parse-editer/index.tsx

@@ -115,7 +115,7 @@ const FormatPreserveEditor = ({
       ) : (
         <>
           {content.key === 'json' && */}
-      {content.value.map((item, index) => (
+      {content.value?.map((item, index) => (
         <section
           key={index}
           className={