Issue Summary

When using the style macro and setting a background image using CSS, if you link to an image and surround the URL with quotes it will cause that image to not load on the page.

Steps to Reproduce

1. On a page using the legacy editor, add the 'Style' macro
2. Add CSS to the Style macro and try adding a background image like:

   background-image: url("/wiki/download/attachments/124157953/banner.png");

3. Publish page

Expected Results

Background image loads as specified by CSS

Actual Results

Background image does not load

Viewing network tab, the request URL shows up with the quotes being interpreted like:

https://<Cloud URL>/wiki/spaces/SPACEKEY/pages/33751045/&quot;/wiki/download/attachments/124157953/banner.png&quot; 

Workaround

Edit the CSS and remove the quotes around the URL