`<details>`&`<summary>` supporting in live preview mode

[WhiteNoise]

Parse markdown inside <details><summary> tags

Use case or problem I’m using Obsidian to write dairy, and today when I’m trying to create a folded part (<details>), I came across the problem where Markdown syntax isn’t being properly parsed & previewed; and Direct empty lines put everything below that line outside the <details>, even if </details> is after that. This empty line problem also exists in a lot of other tags, such as <font>, <center>, etc. I’ve also tried the same text on a lot of other markdown editors (randomly grabbe, al…