message: fix(installer): filter out the non-checksum file
diff: @@ -345,7 +345,7 @@ function installLibraryWork(lib: ResolvedLibrary, folder: MinecraftFolder, libra
  if (await vfs.missing(filePath)) {
  await download();
  - } else if (typeof lib.download.sha1 === "string") {
  + } else if (typeof lib.download.sha1 === "string" && lib.download.sha1 !== "") {
  const valid = await vfs.validate(filePath, { algorithm: "sha1", hash: lib.download.sha1 });
  if (!valid) {
  await download();
  