fix: replace CopyButton with conditional rendering for dataset name display

Author: ErwanDecoster

src/modules/datasets/DatasetsPreviewTable.tsx

@@ -94,10 +94,15 @@ export function DatasetsPreviewTable() {
                   />
                 </TableCell>
                 <TableCell>
-                  <CopyButton
-                    displayText={dataset.name}
-                    textToCopy={dataset.name}
-                  />
+                  {dataset.name ? (
+                    <div className="w-36 overflow-hidden overflow-ellipsis">
+                      {dataset.name}
+                    </div>
+                  ) : (
+                    <span className="text-muted-foreground">
+                      No dataset name
+                    </span>
+                  )}
                 </TableCell>
                 <TableCell>
                   <CopyButton