Add xdg-desktop-portal-gtk as dependency. (#464)

* Add xdg-desktop-portal-gtk as dependency.

* Update pkg_core.lst

Author: kRHYME7

Scripts/pkg_core.lst

@@ -40,6 +40,7 @@ hyprsunset                                             # blue light filter
 # --------------------------------------------------- // Dependencies
 polkit-gnome                                           # authentication agent
 xdg-desktop-portal-hyprland                            # xdg desktop portal for hyprland
+xdg-desktop-portal-gtk                                 # file picker and dbus  integration
 xdg-user-dirs                                          # Manage user directories like ~/Desktop and ~/Music
 pacman-contrib                                         # for system update check
 parallel                                               # for parallel processing