chore(components): update Header imports to use navigation directory

Update Header.tsx to import RankingMegaMenu and StackMegaMenu from the new navigation/ directory instead of controls/.

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Co-Authored-By: Claude <[email protected]>

Author: ericyangpan

src/components/Header.tsx

@@ -5,9 +5,9 @@ import Image from 'next/image'
 import { useParams } from 'next/navigation'
 import { useTranslations } from 'next-intl'
 import { memo, useCallback, useEffect, useMemo, useState } from 'react'
-import { RankingMegaMenu } from '@/components/controls/RankingMegaMenu'
 import SearchDialog from '@/components/controls/SearchDialog'
-import { StackMegaMenu } from '@/components/controls/StackMegaMenu'
+import { RankingMegaMenu } from '@/components/navigation/RankingMegaMenu'
+import { StackMegaMenu } from '@/components/navigation/StackMegaMenu'
 import { Link } from '@/i18n/navigation'
 
 // Menu item configuration type