[gtk] (16 commits) Non-fast-forward update to branch wip.win32.fixes

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'wip.win32.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:

  2fb38d4... demos/gtk-demo|widget-factory: Temporarily disable gui_app 
  46df908... gdk[drag|drop]-win32.c: Don't unnecessarily compute scale
  dd9c22c... gdksurface-win32.c: Disable AeroSnap for surface if not res
  4361566... partial WIP port of GDK4-Broadway to Windows...

Commits added to the branch:

  4b05eb6... gdk: Update keyboard symbols from libxkbcommon (*)
  86a3400... tools: updated gtk4builder.rng to current state (*)
  037c0e4... gdkkeys-win32: Also ignore Ctrl + Shift (etc.) (*)
  0457c37... Merge branch 'win32-fix-ctrl-shift-gtk4' into 'main' (*)
  0a22496... Revert "Deprecate GdkDevice:source" (*)
  a8a9852... gdk: mark gdk_device_get_device_tool as nullable (*)
  687b80a... Merge branch 'revert-misdeprecation' into 'main' (*)
  b893dc9... Merge branch 'bilelmoussaoui/g-i' into 'main' (*)
  878e4a3... Don't dereference a `NULL` page in `gtk_assistant_set_curre (*)
  287de38... Merge branch 'gtk_assisten_set_current_page-no-pages-guard' (*)
  6dfaafc... Merge branch 'update-keysyms' into 'main' (*)
  217d817... Merge branch 'gwagner/gtkbuilder-rng' into 'main' (*)
  e3c4cd3... demos/gtk-demo|widget-factory: Temporarily disable gui_app 
  8f318e2... gdk[drag|drop]-win32.c: Don't unnecessarily compute scale
  d92be81... gdksurface-win32.c: Disable AeroSnap for surface if not res
  f268567... partial WIP port of GDK4-Broadway to Windows...

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