Jdb/fix jupyter notebooks rendering

What does this MR do?

Fixes some issues with Jupyter notebook rendering.

Specifically:

• Code not highlighting correctly
• Images not displaying

Related to #18258 (closed)

Note: This does not address the lack of LaTeX support which will be handled in a follow up MR

Screenshots (strongly suggested)

Feature	Broken	Fixed
Code highlighting	cell	cell
Images	cell	cell

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• [-] Informed Infrastructure department of a default or new setting change, if applicable per definition of done