Sidebar resizes when switching to full screen

[Eitot]

Discussed in #1862

^{Originally posted by bergdesign December 13, 2024}
I'm curious if I'm the only one seeing the insane sidebar resizing when switching from an internal laptop display to an external display of a different resolution in clamshell mode. I'm typically in the horizontal layout, and I see the sidebar widen and narrow instead of the articles list and content view. To add, I typically have the window maximized (but not full screen) on the smaller internal display, and it automatically maximizes on the larger external display making the sidebar like five times wider than the content view. Long time Obj-C dev, so happy to help troubleshoot if this is something new... I was unable to find anything related in issues.

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This might be a result of #1782