blender: fix build

- fetch upstream patch
- update to python3.12

Signed-off-by: Florian Brandes <florian.brandes@posteo.de>

pkgs/applications/misc/blender/default.nix

@@ -19,6 +19,7 @@
   darwin,
   dbus,
   embree,
+  fetchpatch,
   fetchurl,
   fetchzip,
   ffmpeg,
@@ -71,7 +72,7 @@
   pkg-config,
   potrace,
   pugixml,
-  python311Packages, # must use instead of python3.pkgs, see https://github.com/NixOS/nixpkgs/issues/211340
+  python3Packages, # must use instead of python3.pkgs, see https://github.com/NixOS/nixpkgs/issues/211340
   rocmPackages, # comes with a significantly larger closure size
   runCommand,
   spaceNavSupport ? stdenv.isLinux,
@@ -86,7 +87,6 @@
 }:
 
 let
-  python3Packages = python311Packages;
   python3 = python3Packages.python;
   pyPkgsOpenusd = python3Packages.openusd.override { withOsl = false; };
 
@@ -111,7 +111,13 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-T7s69k0/hN9ccQN0hFQibBiFwawu1Tc9DOoegOgsCEg=";
   };
 
-  patches = [ ./draco.patch ] ++ lib.optional stdenv.isDarwin ./darwin.patch;
+  patches = [
+    ./draco.patch
+    (fetchpatch {
+      url = "https://projects.blender.org/blender/blender/commit/ae35b5758791bebb21741f9b505b9fca347ae50e.patch";
+      hash = "sha256-xUi55+7aiwEjtjqOi8to1YxdPlsBUThCCkCa5T6LIQc=";
+    })
+    ] ++ lib.optional stdenv.isDarwin ./darwin.patch;
 
   postPatch =
     (