refactor: update Ant Design imports to centralized path

- Replaced direct imports from 'antd' with centralized imports from '@/shared/antd-imports' to align with new import rules and improve maintainability.

worklenz-frontend/src/components/board/taskCard/TaskCard.tsx

@@ -9,7 +9,7 @@ import {
   Dropdown,
   MenuProps,
   Button,
-} from 'antd';
+} from '@/shared/antd-imports';
 import {
   DoubleRightOutlined,
   PauseOutlined,

worklenz-frontend/src/components/board/taskCard/priority-section/priority-section.tsx

@@ -1,4 +1,4 @@
-import { Flex, Typography } from 'antd';
+import { Flex, Typography } from '@/shared/antd-imports';
 import './priority-section.css';
 import { useAppSelector } from '@/hooks/useAppSelector';
 import { useState, useEffect, useMemo } from 'react';