fix(table): DragSortTable --- Reorder columns by dragging and droppin…

…g columns will have issues when the table has fixed columns first (ant-design#7936)

fix ant-design#7631

packages/table/src/components/ColumnSetting/index.tsx

@@ -189,7 +189,7 @@ const CheckboxList: React.FC<{
       const targetIndex = newColumns.findIndex(
         (columnKey) => columnKey === targetId,
       );
-      const isDownWard = dropPosition > findIndex;
+      const isDownWard = dropPosition >= findIndex;
       if (findIndex < 0) return;
       const targetItem = newColumns[findIndex];
       newColumns.splice(findIndex, 1);