Await guild creation to fix a race condition

`Promise.all(...)` runs these simultaneously, yet role depends on the
guild to be created first. This can lead to a race condition. I've
awaited role creation too because the call to `Member.addToGuild(...)`
relies on the role to be created.

src/api/routes/guilds/templates/index.ts

@@ -140,14 +140,14 @@ router.post(
 
 		const guild_id = Snowflake.generate();
 
-		const [guild] = await Promise.all([
+		const guild = await Guild.create({
-			Guild.create({
 			...body,
 			...template.serialized_source_guild,
 			id: guild_id,
 			owner_id: req.user_id,
-			}).save(),
+		}).save();
-			Role.create({
+
+		await Role.create({
 			id: guild_id,
 			guild_id: guild_id,
 			color: 0,
@@ -157,8 +157,7 @@ router.post(
 			name: "@everyone",
 			permissions: BigInt("2251804225").toString(), // TODO: where did this come from?
 			position: 0,
-			}).save(),
+		}).save();
-		]);
 
 		await Member.addToGuild(req.user_id, guild_id);