Add some more desktop apps

And attempt to make the connections opening in nautilus.

hosts/modules/desktop.nix

@@ -41,7 +41,8 @@
 
   environment.systemPackages = with pkgs; [
     libreoffice-fresh
-	meld
+    meld
+    showtime
   ];
 
   # Enable networking

hosts/modules/sway.nix

@@ -7,6 +7,13 @@
 		wrapperFeatures.gtk = true;
 	};
 
+	# Ensure xdg-desktop-portal is working (needed for file pickers/open with)
+	xdg.portal = {
+		enable = true;
+		wlr.enable = true;
+		extraPortals = [ pkgs.xdg-desktop-portal-gtk ];
+	};
+
 	# Hardware and security services that must be system-wide
 	services.gnome.gnome-keyring.enable = true;
 	security.polkit.enable = true;