[gtk] (7 commits) Non-fast-forward update to branch wip/sadiq/fixes

[Mohammed Sadiq <pksadiq src gnome org>]

The branch 'wip/sadiq/fixes' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  fd4e07b... examples: Fix Makefiles to use gtk4 for build
  762846e... examples: Simplify .ui files

Commits added to the branch:

  fa0a44e... Merge branch 'wip/sadiq/fixes' into 'master' (*)
  2ce2a80... win32: Remove unused file (*)
  80f5fd8... wayland: Remove stray if (*)
  34d1ebc... dnd: Make "formats" a construct-only property (*)
  c5976fe... examples: Fix Makefiles to use gtk4 for build (*)
  772c994... examples: Simplify .ui files (*)
  7d62284... examples: Use #pragma once

(*) This commit already existed in another branch; no separate mail sent