### Describe the Bug Using `<code>` tags in a header looks fine on the page but causes a problem in the sidebar navigation. Specifically, whitespace is lost.   ### Steps to Reproduce 1. Use markdown like `<h5 id="bkmrk-why%C2%A0void%3F">Why <code>void</code>?</h5>` in a page. 2. Save the page. Example: https://resource.reworkflow.com/books/slate/page/birth-fields-on-custom-per-page#bkmrk-why%C2%A0void%3F ### Expected Behaviour Space between regular text and <code>text</code> should remain in the nav link. ### Screenshots or Additional Context Any space between regular text and <code>text</code> is lost in the nav link. ### Browser Details Firefox 122.0 on Windows 10 ### Exact BookStack Version v23.12