Update flake inputs; drop navidrome; fix noto-fonts subset glob

- Update nixpkgs (Feb 27), home-manager, microvm, nix-index-database,
  claude-code-nix, dailybot
- Remove navidrome service, nginx proxy, dashy entry, and gatus monitor
- Add noto-fonts-subset patch for libreoffice/collabora (noto-fonts
  2026.02.01 switched from variable to static font filenames)
- Add incus-lts writableTmpDirAsHomeHook overlay for sandbox HOME fix
- Add samba4Full overlay to disable CephFS (ceph pinned to python3.11)

flake.nix

@@ -137,6 +137,7 @@
                 src = nixpkgs;
                 patches = [
                   ./patches/dont-break-nix-serve.patch
+                  ./patches/libreoffice-noto-fonts-subset.patch
                 ];
               };
               patchedNixpkgs = nixpkgs.lib.fix (self: (import "${patchedNixpkgsSrc}/flake.nix").outputs { self = nixpkgs; });