Extract populate_owners into a new coroutine.

discord/ext/commands/bot.py

@@ -344,14 +344,22 @@ class BotBase(GroupMixin):
         elif self.owner_ids:
             return user.id in self.owner_ids
         else:
+            # Populate the used fields, then retry the check. This is only done at-most once in the bot lifetime.
+            await self.populate_owners()
+            return await self.is_owner(user)
 
-            app = await self.application_info()  # type: ignore
-            if app.team:
-                self.owner_ids = ids = {m.id for m in app.team.members}
-                return user.id in ids
-            else:
-                self.owner_id = owner_id = app.owner.id
-                return user.id == owner_id
+    async def populate_owners(self):
+        """|coro|
+
+       Populate the :meth:`.Bot.owner_id` and :meth:`.Bot.owner_ids` through the use of :meth:`~.Bot.application_info`.
+
+        .. versionadded:: 2.0
+        """
+        app = await self.application_info()  # type: ignore
+        if app.team:
+            self.owner_ids = {m.id for m in app.team.members}
+        else:
+            self.owner_id = app.owner.id
 
     def before_invoke(self, coro: CFT) -> CFT:
         """A decorator that registers a coroutine as a pre-invoke hook.