fix(ingestion_consumer): mask before multimodal handling (#1139)

Author: hassiebp

langfuse/_task_manager/ingestion_consumer.py

@@ -115,6 +115,9 @@ def _next(self):
 
                     continue
 
+                # apply mask
+                self._apply_mask_in_place(event)
+
                 # handle multimodal data
                 self._media_manager.process_media_in_event(event)
 
@@ -125,9 +128,6 @@ def _next(self):
                     log_message="<truncated due to size exceeding limit>",
                 )
 
-                # apply mask
-                self._apply_mask_in_place(event)
-
                 # check for serialization errors
                 try:
                     json.dumps(event, cls=EventSerializer)