[Bug]: new constrained_layout causes axes to go invisible(?) #22264
Description
Bug summary
Since #20426, plt.figure(constrained_layout=True).subplots(3) (or layout="constrained") shows no axes whatsoever.
attn @jklymak, I guess :)
Code for reproduction
See above.
Actual outcome
Blank figure.
Expected outcome
Not blank figure.
Additional information
No response
Operating system
fedora
Matplotlib Version
HEAD, bisects to #20426.
Matplotlib Backend
mplcairo
Python version
310
Jupyter version
No response
Installation
git checkout