gradle.fetchDeps: fix evaluation on Nix 2.3.18

            fileList = builtins.filter (x: lib.hasPrefix xmlBase x && x != url) (builtins.attrNames finalData);

            jarPomList = map parseArtifactUrl fileList;

            sortedJarPomList =

              lib.sort

                (a: b: lib.splitVersion a.version < lib.splitVersion b.version)

                jarPomList;

            sortByVersion = a: b: (builtins.compareVersions a.version b.version) < 0;

            sortedJarPomList = lib.sort sortByVersion jarPomList;

            uniqueVersionFiles =

              builtins.map ({ i, x }: x)