fix: check if popover exists after fetching and before inserting

Jacky Zhao

2023-11-12 d1551872ffeb08c34f59dc2042b43562c499b620

 docs/features/OxHugo compatibility.md

@@ -32,6 +32,7 @@
  - `replaceFigureWithMdImg`: Whether to replace `<figure/>` with `![]()`
- Formatting
  - `removeHugoShortcode`: Whether to remove hugo shortcode syntax (`{{}}`)
  - `replaceOrgLatex`: Whether to replace org-mode formatting for latex fragments with what `Plugin.Latex` supports.

> [!warning]
>