Props modifiers in render functions do not handled properly on SSR

[igorexa34314]

Vue version

v3.5.26

Link to minimal reproduction

https://play.vuejs.org/#__SSR__eNp9kd9LwzAQx/+VIy/ZoLaIPs0qqEzQBxX1MQilva2daRKSdCuU/u9e0m3uQX0IyX3vc7lfA7s1Jt12yBYsd6VtjAeHvjM3QjWt0dbDvW4NrKxugadZMPiVUHk2wYSR4bE1svBIFkAemIyeeXais4R5V2q1atbpxmlF+YZAC1YS3ki0L8Y3WjnBFhA9wVdIqXdPUfO2w+SglzWWX7/oG9cHTbBXiw7tFgU7+nxh1+gn9/L9GXt6H52trjpJ9D/ON3RadqHGCbvrVEVln3Cx2sc4tUatP9yy96jcoalQaCDHyAtGQw+T+qv1n3Iv0ssYJ9RIUwwxqXc0v/1+hgpXjYp/aYXKJ1CP+31RCi4srYgO9pEmuOhkvE+DZkNgYNr9bL63ACzZVsFsfn0D9YzX5zyBgX9WhS/OCu8tXwCvkfomnafGahOUnbay4tQp8IdOlaG5QkJYdEzG59P3NAm6xzkbvwF6Z9cj

Steps to reproduce

1. Open the Vue SFC Playground reproduction
2. Enable SSR and switch preview tab to "SSR Output" .
3. Inspect the rendered HTML

What is expected?

According to Vue docs (https://vuejs.org/guide/extras/render-function) we can pass props modifiers such as .prop and .attr to h() function to pick the way how keys should be assigned (either as attribute or prop).

What is actually happening?

In SSR mode, when passing props modifiers such as ^ or . to h() function, they are not proccessed and rendered as raw string.

For example is we specify

h('h1', {'^data-attr': 'hello', '.prop': 'world' }, 'Functional component')

We will get the following HTML output

<h1 ^data-attr="hello" .prop="world">Functional component</h1>

It only happens when SSR is enabled

System Info

Any additional comments?

Reported in nuxt/nuxt#33902