Feat: Make the scroll bar of the DatasetSettings page appear inside #3221 (#4548)

### What problem does this PR solve?

Feat: Make the scroll bar of the DatasetSettings page appear inside
#3221

### Type of change


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

web/src/pages/dataset/testing/index.tsx

@@ -16,7 +16,7 @@ export default function RetrievalTesting() {
         <h2 className="text-3xl font-bold mb-8 px-[10%]">
           15 Results from 3 files
         </h2>
-        <section className="flex flex-col gap-4 overflow-auto h-[85vh] px-[10%]">
+        <section className="flex flex-col gap-4 overflow-auto h-[83vh] px-[10%]">
           {list.map((x, idx) => (
             <Card
               key={idx}