Implement slash command synchronization features in environment files and update command definitions to hybrid commands across various cogs. Enhance command registration for improved user experience and streamline command handling in the bot.

bot/cogs/commands/dms.py

@@ -81,7 +81,7 @@ class StaffDMCog(commands.Cog):
     def __init__(self, bot):
         self.bot = bot
 
-    @commands.command(name="dmstaff")
+    @commands.hybrid_command(name="dmstaff")
     async def dm_staff(self, ctx, member: discord.Member, *, message: str):
         if ctx.author.id not in STAFF_IDS:
             view = PermissionErrorView()