fix: filter out cache misses from guild properties (#1454)

* fix: filter out cache misses from Guild.members

* fix: filter out cache misses from Guild.roles

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Co-authored-by: Astrea49 <25420078+Astrea49@users.noreply.github.com>

Author: AstreaTSS

interactions/models/discord/guild.py

@@ -348,7 +348,8 @@ def threads(self) -> List["models.TYPE_THREAD_CHANNEL"]:
     @property
     def members(self) -> List["models.Member"]:
         """Returns a list of all members within this guild."""
-        return [self._client.cache.get_member(self.id, m_id) for m_id in self._member_ids]
+        members = (self._client.cache.get_member(self.id, m_id) for m_id in self._member_ids)
+        return [m for m in members if m]
 
     @property
     def premium_subscribers(self) -> List["models.Member"]:
@@ -368,7 +369,8 @@ def humans(self) -> List["models.Member"]:
     @property
     def roles(self) -> List["models.Role"]:
         """Returns a list of roles associated with this guild."""
-        return sorted([self._client.cache.get_role(r_id) for r_id in self._role_ids], reverse=True)
+        roles = sorted((self._client.cache.get_role(r_id) for r_id in self._role_ids), reverse=True)
+        return [r for r in roles if r]
 
     @property
     def me(self) -> "models.Member":