replace jellyfin utils with class method

main.py

@@ -1,6 +1,5 @@
 from discord.rpc import DiscordRPC
 from jellyfin.api_client import JellyfinApiClient
-from jellyfin.utils import to_rpc_payload
 from settings import settings
 import coloredlogs
 import logging
@@ -23,7 +22,7 @@ def main():
                 time.sleep(settings.poll_interval)
                 continue
 
-            discordRPC.update(to_rpc_payload(media_item))
+            discordRPC.update(media_item.to_rpc_payload())
             time.sleep(settings.poll_interval)
         except KeyboardInterrupt:
             logging.info("Shutting down...")