Markdown: fix HTML formatting broken if the beginning tag start… (#7181)

* fix markdown formatting broken if the beginning html tag starts after a list item

* add test for beginning-tag-after-a-list-item in markdown_html

* add changelog_unreleased of pr-7181

* fix test of ast breaking for beginning-tag-after-a-list-item

* update changelog_unreleased pr-7181

* fix changelog_unreleased

* fix beginning tag starts after a list item in markdown

* add test case for beginning-tag-after-a-list-item

* update changelog_unreleased

changelog_unreleased/markdown/pr-7181.md

@@ -0,0 +1,37 @@
+#### fix HTML formatting broken if the beginning tag starts after a list item ([#7181](https://github.com/prettier/prettier/pull/7181) by [@sasurau4](https://github.com/sasurau4))
+
+Previously, when Prettier format the html tag that starts after a list item, it would insert indent and break the relationship of open and close tag. Now, Prettier no longer change anything.
+
+<!-- prettier-ignore -->
+```md
+<!-- Input -->
+- A list item.
+<details><summary>Summary</summary>
+<p>
+
+- A list item.
+
+</p>
+</details>
+
+<!-- Prettier stable -->
+- A list item.
+
+  <details><summary>Summary</summary>
+  <p>
+
+- A list item.
+
+</p>
+</details>
+
+<!-- Prettier master -->
+- A list item.
+<details><summary>Summary</summary>
+<p>
+
+- A list item.
+
+</p>
+</details>
+```