Complete ipynb export support#1915

Merged

agoose77 merged 5 commits intojupyter-book:myst-to-ipynbfrom

kp992:myst-to-ipynb-2

May 23, 2025

Commits on Mar 12, 2025

fix some tests and comment the failing ones to fix in upcoming commits
kp992
committed

Commits on Mar 14, 2025

Commits on Apr 3, 2025

update the tests and keep the split lines logic
kp992
committed

Commits on Apr 25, 2025

Revert merging md blocks and update 2 sample test cases
kp992
committed