fix i18n switcher button

[segment7]

https://github.com/o-kitchen/app/blob/5e0e50e88b54f94c673f07c4c8c794dd32549537/src/components/header.tsx#L43-L50
我暂时设置了disabled={true}

 {/* Language Toggle */}
  <DropdownMenu>
    <DropdownMenuTrigger asChild disabled={true}>
      <Button 
        variant="ghost" 
        size="icon" 
        className="h-8 w-8"
      >
        <Languages className="h-4 w-4" />
      </Button>
    </DropdownMenuTrigger>
    <DropdownMenuContent align="end" className="w-32" >
      <DropdownMenuItem 
        onClick={() => handleLanguageChange("zh")}
      >
        <span>中文</span>
      </DropdownMenuItem>
      <DropdownMenuItem 
        onClick={() => handleLanguageChange("en")}
      >
        <span>English</span>
      </DropdownMenuItem>
    </DropdownMenuContent>
  </DropdownMenu>

[kuove]

en.json
zh.json
content.tsx
page.tsx
feed-header.tsx

修改what-is-chip feed header支持 i18n，create, search 页面暂未修改