glib: add support for Pantheon’s terminal emulator

Just like we did for GNOME’s in the parent commit.

pkgs/development/libraries/glib/default.nix

@@ -72,6 +72,8 @@ stdenv.mkDerivation rec {
     # Add support for the GNOME’s default terminal emulator.
     # https://gitlab.gnome.org/GNOME/glib/-/issues/2618
     ./gnome-console-support.patch
+    # Do the same for Pantheon’s terminal emulator.
+    ./elementary-terminal-support.patch
 
     # GLib contains many binaries used for different purposes;
     # we will install them to different outputs:

pkgs/development/libraries/glib/elementary-terminal-support.patch

@@ -0,0 +1,16 @@
+diff --git a/gio/gdesktopappinfo.c b/gio/gdesktopappinfo.c
+index a441bfec9..6bcd3e690 100644
+--- a/gio/gdesktopappinfo.c
++++ b/gio/gdesktopappinfo.c
+@@ -2678,6 +2678,11 @@ prepend_terminal_to_vector (int    *argc,
+             if (check != NULL)
+               pass_cmd_as_single_arg = TRUE;
+           }
++          if (check == NULL) {
++            check = g_find_program_in_path ("io.elementary.terminal");
++            if (check != NULL)
++              pass_cmd_as_single_arg = TRUE;
++          }
+           if (check == NULL)
+             check = g_find_program_in_path ("tilix");
+           if (check == NULL)