Fix: Optimize dataset page layout and internationalization and default values for multi selection #3221 (#9695)

### What problem does this PR solve?

Fix: Optimize dataset page layout and internationalization and Fix
setting default values for multi selection drop-down boxes #3221

-Adjust the style and layout of each component on the dataset page
-Add and update multilingual translation content

### Type of change

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

web/src/pages/home/datasets.tsx

@@ -31,16 +31,20 @@ export function Datasets() {
           </div>
         ) : (
           <div className="grid gap-6 sm:grid-cols-1 md:grid-cols-2 lg:grid-cols-4 xl:grid-cols-6 2xl:grid-cols-8 max-h-[78vh] overflow-auto">
-            {kbs.slice(0, 6).map((dataset) => (
-              <DatasetCard
-                key={dataset.id}
-                dataset={dataset}
-                showDatasetRenameModal={showDatasetRenameModal}
-              ></DatasetCard>
-            ))}
+            {kbs
+              ?.slice(0, 6)
+              .map((dataset) => (
+                <DatasetCard
+                  key={dataset.id}
+                  dataset={dataset}
+                  showDatasetRenameModal={showDatasetRenameModal}
+                ></DatasetCard>
+              ))}
+            <div className="min-h-24">
+              <SeeAllCard></SeeAllCard>
+            </div>
           </div>
         )}
-        <SeeAllCard></SeeAllCard>
       </div>
       {datasetRenameVisible && (
         <RenameDialog