Refactor zipstream.py to use latin-1 encoding for archive name (The H…

…TTP Header encoding must be latin-1)

lib/galaxy/util/zipstream.py

@@ -41,7 +41,7 @@ def response(self) -> Iterator[bytes]:
     def get_headers(self) -> Dict[str, str]:
         headers = {}
         if self.archive_name:
-            archive_name = self.archive_name.encode("utf-8", "replace").decode("latin-1")
+            archive_name = self.archive_name.encode("latin-1", "replace").decode("latin-1")
             headers["Content-Disposition"] = f'attachment; filename="{archive_name}.zip"'
         if self.upstream_mod_zip:
             headers["X-Archive-Files"] = "zip"