Fixed unnecessary voice states #274

Reviewed-on: sh-edraft.de/kd_discord_bot#253
Reviewed-by: Ebola-Chan <nick.jungmann@gmail.com>
Reviewed-by: edraft-dev <dev.sven.heidemann@sh-edraft.de>

kdb-bot/src/modules/base/events/base_on_voice_state_update_event.py

@@ -102,6 +102,9 @@ class BaseOnVoiceStateUpdateEvent(OnVoiceStateUpdateABC):
         server = self._servers.get_server_by_discord_id(member.guild.id)
 
         try:
+            if before.channel == after.channel:
+                return
+
             # join
             if (
                 before.channel is None