Lightbox images descriptions don't work anymore with v1.4

[ycrouin]

Bug description

Hi team 👋

With the lightbox extension, we used to be able to add descriptions to images. It doesn't seem to be supported with v1.4

Steps to reproduce

See example

Expected behavior

Actual behavior

Your environment

• Quarto version: 1.4.549
• OS: Ubuntu 20.04.6 LTS

Quarto check output

Quarto 1.4.549
[✓] Checking versions of quarto binary dependencies...
      Pandoc version 3.1.11: OK
      Dart Sass version 1.69.5: OK
      Deno version 1.37.2: OK
[✓] Checking versions of quarto dependencies......OK
[✓] Checking Quarto installation......OK
      Version: 1.4.549
      Path: /opt/quarto/bin

[✓] Checking tools....................OK
      Chromium: 869685
      TinyTeX: (not installed)

[✓] Checking LaTeX....................OK
      Using: Installation From Path
      Path: /usr/bin
      Version: 2019

[✓] Checking basic markdown render....OK

[✓] Checking Python 3 installation....OK
      Version: 3.11.5 (Conda)
      Path: /home/ycrouin/miniconda3/bin/python
      Jupyter: 5.7.1
      Kernels: [omitted for brevity ...]

(|) Checking Jupyter engine render....Traceback (most recent call last):
  File "/opt/quarto/share/jupyter/jupyter.py", line 21, in <module>
    from notebook import notebook_execute, RestartKernel
  File "/opt/quarto/share/jupyter/notebook.py", line 14, in <module>
    from yaml import safe_load
ModuleNotFoundError: No module named 'yaml'
There is an unactivated Python environment in venv. Did you forget to activate it?

[✓] Checking Jupyter engine render....OK

[dragonstyle]

This is correct (and accidental). We changed the way descriptions are read to better support descriptions that contain formatted. I'll fix- ty for catching this!