Help Center styles are applied to text in Draw.io diagrams

Steps To Reproduce

1. Create some page

2. Edit page, add draw.io macro, and drop attached diagram in draw.io editor

3. Save page.

4. Diagram is displayed properly, and links are clickable:
   

5. Configure Viewport for space using Web Help theme.

6. Open Viewport for according page: Diagram looks fine.

7. Switch Viewport to use Help Center theme.

8. Open Viewport for according page.

Expected Result

Diagram looks the same when using Help Center theme as when using Web Help theme or when viewing page in Confluence:

Actual Result

Links on diagram are "moved" within the diagram, i.e. not displayed correctly: