fix(ui): dropdown of multi-select not focusable

Author: xiejay97

packages/ui/src/components/cascader/Cascader.tsx

@@ -330,7 +330,7 @@ function Cascader<V extends DId, T extends DCascaderItem<V>>(
             changeSelect(Array.from(checkeds.keys()));
           }}
         >
-          <DTag className={`${dPrefix}cascader__multiple-count`} dSize={size}>
+          <DTag className={`${dPrefix}cascader__multiple-count`} tabIndex={-1} dSize={size}>
             {(select as Set<V>).size}
           </DTag>
         </DDropdown>

packages/ui/src/components/select/Select.tsx

@@ -354,7 +354,7 @@ function Select<V extends DId, T extends DSelectItem<V>>(
             changeSelectByClick(id);
           }}
         >
-          <DTag className={`${dPrefix}select__multiple-count`} dSize={size}>
+          <DTag className={`${dPrefix}select__multiple-count`} tabIndex={-1} dSize={size}>
             {(select as Set<V>).size}
           </DTag>
         </DDropdown>

packages/ui/src/components/tree-select/TreeSelect.tsx

@@ -361,7 +361,7 @@ function TreeSelect<V extends DId, T extends DTreeItem<V>>(
             changeSelect(Array.from(checkeds.keys()));
           }}
         >
-          <DTag className={`${dPrefix}tree-select__multiple-count`} dSize={size}>
+          <DTag className={`${dPrefix}tree-select__multiple-count`} tabIndex={-1} dSize={size}>
             {(select as Set<V>).size}
           </DTag>
         </DDropdown>