fix: add JSX support to RenderContent

[kaikaibenkai]

Types of changes

• New feature
• Bug fix
• Enhancement
• Component style change
• Typescript definition change
• Documentation change
• Coding style change
• Refactoring
• Test cases
• Continuous integration
• Breaking change
• Others

Background and context

import { Modal } from '@arco-design/web-vue'
Modal.open({
  title: 'Hello',
  content: () => <button>HTML Button</button>
})

Changelog

Component	Changelog(CN)	Changelog(EN)	Related issues
	修复 JSX 支持	fix JSX support

Checklist:

• Test suite passes (npm run test)
• Provide changelog for relevant changes (e.g. bug fixes and new features) if applicable.
• Changes are submitted to the appropriate branch (e.g. features should be submitted to feature branch and others
  should be submitted to main branch)