nixos/cosmic: add `/share/cosmic-layouts` to pathsToLink

+1
+1
nixos/modules/services/desktop-managers/cosmic.nix
··· 72 72 environment.pathsToLink = [ 73 73 "/share/backgrounds" 74 74 "/share/cosmic" 75 + "/share/cosmic-layouts" 75 76 ]; 76 77 environment.systemPackages = utils.removePackagesByName ( 77 78 corePkgs