[Bug]: Gridtable does not support paragraphs and lists

[linawolf]

Summary

See also TYPO3-Documentation/render-guides#460

Code snippet that reproduces the problem

+----------------------+----------------+
|Paragraphs |Paragraph 1 |
| | |
| |Paragraph 2 |
+----------------------+----------------+
|Lists |See the list |
| | |
| |* Item 1 |
| |* Item 2 |
| | |
| | A paragraph |
+----------------------+----------------+

Expected output

<div class="section" id="table">
        <h1>table</h1>
        <table>
            <tbody>
<tr>
        <td><strong>Paragraphs</strong></td>
    <td><p>Paragraph 1</p>

Paragraph 2

Lists

See the list

• Item 1
• Item 2

A paragraph