Update flake.lock and disable VirtualBox

Refresh pinned revisions and hashes in flake.lock for several
dependencies and set `virtualbox.enable` to false in the desktop
system configuration.

flake.lock

@@ -145,11 +145,11 @@
       },
       "locked": {
         "dir": "pkgs/firefox-addons",
-        "lastModified": 1770437015,
-        "narHash": "sha256-+FHN9EthS+kHxnMoSDZEiGLoxwiIuij6ltK3aTmlLMA=",
+        "lastModified": 1770609827,
+        "narHash": "sha256-5J3I/ERia1xhWkPwugnpbucAE8lI5ip2ohTZ3xK2HrY=",
         "owner": "rycee",
         "repo": "nur-expressions",
-        "rev": "65d59f814068d04e532cad2773d281e4951acd95",
+        "rev": "60b2a2d7633b61981a694ad30bc1b19b64a949f1",
         "type": "gitlab"
       },
       "original": {
@@ -349,11 +349,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1770491427,
-        "narHash": "sha256-8b+0vixdqGnIIcgsPhjdX7EGPdzcVQqYxF+ujjex654=",
+        "lastModified": 1770654520,
+        "narHash": "sha256-mg5WZMIPGsFu9MxSrUcuJUPMbfMsF77el5yb/7rc10k=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "cbd8a72e5fe6af19d40e2741dc440d9227836860",
+        "rev": "6c4fdbe1ad198fac36c320fd45c5957324a80b8e",
         "type": "github"
       },
       "original": {
@@ -422,11 +422,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1770197578,
-        "narHash": "sha256-AYqlWrX09+HvGs8zM6ebZ1pwUqjkfpnv8mewYwAo+iM=",
+        "lastModified": 1770562336,
+        "narHash": "sha256-ub1gpAONMFsT/GU2hV6ZWJjur8rJ6kKxdm9IlCT0j84=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "00c21e4c93d963c50d4c0c89bfa84ed6e0694df2",
+        "rev": "d6c71932130818840fc8fe9509cf50be8c64634f",
         "type": "github"
       },
       "original": {
@@ -474,11 +474,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1770543184,
-        "narHash": "sha256-2FFYjurrYjCAT6bpN2Fv63G6vDuWybB91uvqBjJfcWE=",
+        "lastModified": 1770687999,
+        "narHash": "sha256-rdqrJY9WJ9OoDWza/COYZMsd9CApGq6uop5V3PtLOVM=",
         "owner": "noctalia-dev",
         "repo": "noctalia-shell",
-        "rev": "bf1a0f76bb5ca48991d51130022af6bead64d153",
+        "rev": "01aa58afdecdad31afe89838e85af765acd75183",
         "type": "github"
       },
       "original": {
@@ -611,11 +611,11 @@
         "tinted-zed": "tinted-zed"
       },
       "locked": {
-        "lastModified": 1770504996,
-        "narHash": "sha256-CjgGVXmYuEqx9rT4o1EKZVhacp6TuwZRicmaekkSvfE=",
+        "lastModified": 1770587906,
+        "narHash": "sha256-N9ZTG3ia7l4iQO+9JlOj+sX4yu6gl7a3aozrlhSIJwQ=",
         "owner": "danth",
         "repo": "stylix",
-        "rev": "044ac0cc6d914f1dac22a728013bc3797f77cfab",
+        "rev": "72e6483a88d51471a6c55e1d43e7ed2bc47a76a4",
         "type": "github"
       },
       "original": {