[Bug]: Only first line rendered in multi-paragraph admonitions

[mabolek]

Summary

If an admonition text spans multiple paragraphs, only the first is rendered.

Code snippet that reproduces the problem

> [!NOTE]
> You can add two types of expenses to your reimbursement:
>
> * **Receipt:** Any invoice or receipt that is applicable for reimbursement.
> * **Driven kilometers:** Travel by private car, reimbursed at a per-kilometer rate.

is rendered as:

Expected output

The entire content should be rendered.