Various GTK4 branch backports (!6093) · Merge requests · Inkscape / inkscape · GitLab

PBS requested to merge pbs3141/inkscape:master-backports into master Nov 20, 2023

More fixes that have accrued on the GTK4 branch that can be backported to master:

Fix some lambda default-capture warnings.
Fix silent clang-tidy errors.
(Mc) Remove INTERNAL_CAIRO.
s/tittlebar/titlebar
Remove unnecessary lambdas in Texture.
Make GObjectPtr safe against self-copy/move.
Add const_wrap utility.
Fix palette filename/utf8 handling.