fullscreen-shell: update for manual surface/view mapping

This is a follow up for fullscreen-shell to manually
set mapped status for views/surfaces it controls

v2:

- Add manual mapping to fs_output_apply_pending()

Signed-off-by: Armin Krezović <krezovic.armin@gmail.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>

fullscreen-shell/fullscreen-shell.c

@@ -266,6 +266,8 @@ fs_output_create(struct fullscreen_shell *shell, struct weston_output *output)
 	fsout->black_view = create_black_surface(shell->compositor, fsout,
 						 output->x, output->y,
 						 output->width, output->height);
+	fsout->black_view->surface->is_mapped = true;
+	fsout->black_view->is_mapped = true;
 	weston_layer_entry_insert(&shell->layer.view_list,
 		       &fsout->black_view->layer_link);
 	wl_list_init(&fsout->transform.link);
@@ -588,6 +590,7 @@ fs_output_apply_pending(struct fs_output *fsout)
 			weston_log("no memory\n");
 			return;
 		}
+		fsout->view->is_mapped = true;
 
 		wl_signal_add(&fsout->surface->destroy_signal,
 			      &fsout->surface_destroyed);