fix(PermissionOverwriteManager): mutates user (#8282)

Fix PermissionOverwriteManager changing userOrRole

Since it's mutated the original Member object won't be passed to upset and will be seen as invalid if User cache is disabled.

Functions normally even with User cache disabled after the fix.

Author: AppEternal

src/managers/PermissionOverwriteManager.js

@@ -142,8 +142,9 @@ class PermissionOverwriteManager extends CachedManager {
    *   .catch(console.error);
    */
   edit(userOrRole, options, overwriteOptions) {
-    userOrRole = this.channel.guild.roles.resolveId(userOrRole) ?? this.client.users.resolveId(userOrRole);
-    const existing = this.cache.get(userOrRole);
+    const existing = this.cache.get(
+      this.channel.guild.roles.resolveId(userOrRole) ?? this.client.users.resolveId(userOrRole),
+    );
     return this.upsert(userOrRole, options, overwriteOptions, existing);
   }