swayfx-unwrapped: backport fix to support updated libinput

This fix was previously included in a PR to sway in swaywm/sway#8470 to support newer libinput library versions.

pkgs/by-name/sw/swayfx-unwrapped/package.nix

@@ -33,6 +33,7 @@
   enableXWayland ? true,
   systemdSupport ? lib.meta.availableOn stdenv.hostPlatform systemd,
   trayEnabled ? systemdSupport,
+  fetchpatch2,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -57,6 +58,12 @@ stdenv.mkDerivation (finalAttrs: {
     [
       ./load-configuration-from-etc.patch
 
+      (fetchpatch2 {
+        # fix missing switch statement for newer ipc-json
+        url = "https://github.com/swaywm/sway/pull/8470.patch";
+        hash = "sha256-erm2NSx4rWk+eGfWPW/LQ18PjnfH5CoJB77WdarF9Bc=";
+      })
+
       (substituteAll {
         src = ./fix-paths.patch;
         inherit swaybg;