sway: restore support for gtk-primary-selection

This reverts 5ad3990a6c
and fixes clipboard issues with Firefox ESR 78

srcpkgs/sway/patches/primary_selection.diff

@@ -0,0 +1,25 @@
+Sway 1.6 removed support for gtk-primary-selection, but some
+programs (e.g. Firefox ESR 78) still rely on it.
+Since wlroots will drop it in version 0.14, we can restore
+this feature on sway.
+https://github.com/swaywm/sway/pull/5788
+https://github.com/swaywm/wlroots/issues/2421
+https://github.com/swaywm/wlroots/pull/2460
+--- sway/server.c
++++ sway/server.c
+@@ -15,6 +15,7 @@
+ #include <wlr/types/wlr_data_control_v1.h>
+ #include <wlr/types/wlr_export_dmabuf_v1.h>
+ #include <wlr/types/wlr_gamma_control_v1.h>
++#include <wlr/types/wlr_gtk_primary_selection.h>
+ #include <wlr/types/wlr_idle.h>
+ #include <wlr/types/wlr_layer_shell_v1.h>
+ #include <wlr/types/wlr_pointer_constraints_v1.h>
+@@ -75,6 +76,7 @@ bool server_init(struct sway_server *server) {
+ 		wlr_data_device_manager_create(server->wl_display);
+ 
+ 	wlr_gamma_control_manager_v1_create(server->wl_display);
++	wlr_gtk_primary_selection_device_manager_create(server->wl_display);
+ 
+ 	server->new_output.notify = handle_new_output;
+ 	wl_signal_add(&server->backend->events.new_output, &server->new_output);

srcpkgs/sway/template

@@ -1,7 +1,7 @@
 # Template file for 'sway'
 pkgname=sway
 version=1.6
-revision=1
+revision=2
 build_style=meson
 configure_args="-Dwerror=false -Db_ndebug=false"
 conf_files="/etc/sway/config"