fix: Cleanup serialization and hashing code (#14317)

superset/utils/hashing.py

@@ -15,14 +15,20 @@
 # specific language governing permissions and limitations
 # under the License.
 import hashlib
-import json
-from typing import Any, Dict
+from typing import Any, Callable, Dict, Optional
+
+import simplejson as json
 
 
 def md5_sha_from_str(val: str) -> str:
     return hashlib.md5(val.encode("utf-8")).hexdigest()
 
 
-def md5_sha_from_dict(opts: Dict[Any, Any]) -> str:
-    json_data = json.dumps(opts, sort_keys=True)
+def md5_sha_from_dict(
+    obj: Dict[Any, Any],
+    ignore_nan: bool = False,
+    default: Optional[Callable[[Any], Any]] = None,
+) -> str:
+    json_data = json.dumps(obj, sort_keys=True, ignore_nan=ignore_nan, default=default)
+
     return md5_sha_from_str(json_data)