feat(nix): add experimental rootless FHS package and desktop launcher

upstream/manifest.json

@@ -246,7 +246,6 @@
         "private-include/Metal/MTLArgumentInternal.h",
         "private-include/Metal/MTLBlitCommandEncoderInternal.h",
         "private-include/Metal/MTLDepthStencilInternal.h",
-        "private-include/Metal/MTLDeviceInfo.h",
         "private-include/Metal/MTLSamplerStateInternal.h",
         "private-include/Metal/MTLVertexDescriptorInternal.h",
         "src/Metal/MTLArgument.mm",
@@ -317,6 +316,11 @@
       "patch": "patches/cfnetwork.patch",
       "modified_files": 1,
       "new_files": []
+    },
+    {
+      "path": "src/external/cctools-port",
+      "revision": "d9456c221e1f462e17c0b3297748bc089d5a861e",
+      "patch": "patches/cctools-port.patch"
     }
   ],
   "omitted": [