Define subcommand_name

Author: LordOfPolls

discord_slash/client.py

@@ -764,7 +764,8 @@ async def handle_subcommand(self, ctx: context.SlashContext, data: dict):
         sub_name = sub["name"]
         if sub_name not in base:
             return
-        ctx.subcommand = sub_name
+        if sub_name is not None:
+            ctx.subcommand_name = sub_name        
         sub_opts = sub["options"] if "options" in sub else []
         for x in sub_opts:
             if "options" in x or "value" not in x: