* core: move to hyprutils for utils
Nix: add hyprutils dep
* Meson: add hyprutils dep
* flake.lock: update
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Co-authored-by: Mihai Fufezan <mihai@fufexan.net>
`lastBoxLocal`'s size should be the actual popup's size instead of the cursor
rectangle's size. Also, the rectangle position is now relative to the popup.
(Actually fixes#5255 imho.)
One thing #3922 missed was handling focus held by buttons. Let's hope I get
it right this time.
