install unassigned buttons

packages/app/resource/locales/en_US/admin/admin.json

@@ -516,6 +516,7 @@
     }
   },
   "audit_log_management": {
+    "unassigned": "Unassigned",
     "select_action": "Select Action"
   }
 }

packages/app/resource/locales/ja_JP/admin/admin.json

@@ -515,6 +515,7 @@
     }
   },
   "audit_log_management": {
+    "unassigned": "未選択",
     "select_action": "アクションを選択"
   }
 }

packages/app/resource/locales/zh_CN/admin/admin.json

@@ -525,6 +525,7 @@
     }
   },
   "audit_log_management": {
+    "unassigned": "未分配的",
     "select_action": "选择行动"
   }
 }

packages/app/src/components/Admin/AuditLog/SelectQueryDropdown.tsx

@@ -31,6 +31,14 @@ export const SelectQueryDropdown: FC<Props> = (props: Props) => {
           {selectedItem === undefined ? t(`admin:audit_log_management.${dropdownLabel}`) : selectedItem}
         </button>
         <ul className="dropdown-menu" aria-labelledby="dropdownMenuButton">
+          <button
+            type="button"
+            className="dropdown-item"
+            onClick={() => onClickItemButton(undefined)}
+          >
+            {t('admin:audit_log_management.unassigned')}
+          </button>
+          <div className="dropdown-divider"></div>
           {
             dropdownItemList.map(item => (
               <button