[Baron] Massleave error about guild icon

[DJTOMATO]

 Traceback (most recent call last):
   File "/home/glas/redenv/lib/python3.11/site-packages/discord/ext/commands/core.py", line 229, in wrapped
     ret = await coro(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   File "/mnt/hdd/data/lenabot/cogs/CogManager/cogs/baron/baron.py", line 522, in baron_leave_members
     await self.leave_guilds(
   File "/mnt/hdd/data/lenabot/cogs/CogManager/cogs/baron/baron.py", line 632, in leave_guilds
     await self.baron_log("mass_leave", guilds=unwl_guilds, author=ctx.author)
   File "/mnt/hdd/data/lenabot/cogs/CogManager/cogs/baron/baron.py", line 655, in baron_log
     if guild.icon is None:
        ^^^^^^^^^^
 AttributeError: 'NoneType' object has no attribute 'icon'