Drop admin permissions correctly

discord/utils.js

@@ -103,10 +103,10 @@ function isWebhookMessage(message) {
 
 /**
  * Ephemeral messages can be generated if a slash command is attached to the same bot that OOYE is running on
- * @param {DiscordTypes.APIMessage} message
+ * @param {Pick<DiscordTypes.APIMessage, "flags">} message
  */
 function isEphemeralMessage(message) {
-	return message.flags & (1 << 6);
+	return message.flags && (message.flags & (1 << 6));
 }
 
 /** @param {string} snowflake */