axline transform support broke axline in loglog scale

[anntzer]

Bug report

Bug summary

#18647 broke loglog scale axlines.

Code for reproduction

loglog([.3, .6], [.3, .6], ".-"); axline((1, 1e-3), (10, 1e-2), c="k")

Actual outcome

one can zoom out a bit and get

Expected outcome

What we had before #18647:

Matplotlib version

• Operating system: linux
• Matplotlib version (import matplotlib; print(matplotlib.__version__)): head
• Matplotlib backend (print(matplotlib.get_backend())): mplcairo
• Python version: 39

Release critical, as it's a regression in 3.4 against 3.3.

[anntzer]

@johan12345 Any chance you can have a look at this?

[johan12345]

Hi! Sorry for this. I can reproduce the issue and think I have found a fix. Will send a PR :)