refactor: update code to use centralized Ant Design imports

- Replaced direct import of '@ant-design/icons' with centralized import from '@/shared/antd-imports'

worklenz-frontend/src/components/common/people-dropdown/PeopleDropdown.tsx

@@ -1,6 +1,6 @@
 import React, { useState, useRef, useEffect, useMemo, useCallback } from 'react';
 import { createPortal } from 'react-dom';
-import { PlusOutlined, UserAddOutlined } from '@ant-design/icons';
+import { PlusOutlined, UserAddOutlined } from '@/shared/antd-imports';
 import { useAppSelector } from '@/hooks/useAppSelector';
 import { useAppDispatch } from '@/hooks/useAppDispatch';
 import { toggleProjectMemberDrawer } from '@/features/projects/singleProject/members/projectMembersSlice';

worklenz-frontend/src/components/common/project-status-icon/project-status-icon.tsx

@@ -4,7 +4,7 @@ import Icon, {
   ClockCircleOutlined,
   CloseCircleOutlined,
   StopOutlined,
-} from '@ant-design/icons';
+} from '@/shared/antd-imports';
 
 const iconMap = {
   'clock-circle': ClockCircleOutlined,

worklenz-frontend/src/components/common/template-drawer/template-drawer.tsx

@@ -22,7 +22,7 @@ import {
   IWorklenzTemplate,
 } from '@/types/project-templates/project-templates.types';
 import './template-drawer.css';
-import { SearchOutlined } from '@ant-design/icons';
+import { SearchOutlined } from '@/shared/antd-imports';
 import logger from '@/utils/errorLogger';
 
 const { Title, Text } = Typography;