fix: catch UnicodeEncodeError in source title and userIds

Signed-off-by: kyteinsky <kyteinsky@gmail.com>

Author: kyteinsky

context_chat_backend/chain/ingest/injest.py

@@ -393,8 +393,8 @@ def _process_sources(
 def _decode_latin_1(s: str) -> str:
 	try:
 		return s.encode('latin-1').decode('utf-8')
-	except UnicodeDecodeError:
-		logger.error('Failed to decode latin-1: %s', s)
+	except (UnicodeEncodeError, UnicodeDecodeError):
+		logger.error('Failed to encode in/decode from latin-1: %s', s)
 		return s