treewide: wrapGAppsHook → wrapGAppsHook3

This was achieved using the following command:

    sd 'wrapGAppsHook\b' wrapGAppsHook3 (rg -l 'wrapGAppsHook\b')

And then manually reverted the following changes:

- alias in top-level.nix
- function name in wrap-gapps-hook.sh
- comment in postFixup of at-spi2-core
- comment in gtk4
- comment in preFixup of 1password-gui/linux.nix
- comment in postFixup of qgis/unwrapped-ltr.nix and qgis/unwrapped.nix
- comment in postFixup of telegram-desktop
- comment in postFixup of fwupd
- buildCommand of mongodb-compass
- postFixup of xflux-gui
- comment in a patch in kdePackages.kde-gtk-config and plasma5Packages.kde-gtk-config
- description of programs.sway.wrapperFeatures.gtk NixOS option (manual rebuild)

pkgs/development/embedded/arduino/arduino-core/default.nix

@@ -12,7 +12,7 @@
 , readline
 , withGui ? false
 , gtk3
-, wrapGAppsHook
+, wrapGAppsHook3
 , withTeensyduino ? false
   /* Packages needed for Teensyduino */
 , upx
@@ -112,7 +112,7 @@ stdenv.mkDerivation rec {
   # the glib setup hook will populate GSETTINGS_SCHEMAS_PATH,
   # wrapGAppHooks (among other things) adds it to XDG_DATA_DIRS
   # so 'save as...' works:
-  nativeBuildInputs = [ glib wrapGAppsHook unzip ];
+  nativeBuildInputs = [ glib wrapGAppsHook3 unzip ];
   buildInputs = [
     jdk
     ant