Fix some user permissions, when viewing netmails and other systems

app/Policies/NetmailPolicy.php

@@ -19,17 +19,14 @@ class NetmailPolicy
 	 */
 	public function view(User $user, Netmail $o): bool
 	{
-		$zones = $user->zc()->pluck('zone')
-			//->merge($user->rc()->pluck('zone'))
-			//->merge($user->nc()->pluck('zone'))
-			//->merge($user->hub()->pluck('zone'))
-			->merge($user->points()->pluck('zone'));
+		$addresses = $user->addresses()->pluck('id');
 
 		// Site Admins can always view
 		return (
 			$user->isAdmin()
-			|| ($zones->contains($o->fftn->zone))
-			|| ($zones->contains($o->tftn->zone))
+			|| $user->isZC()
+			|| ($addresses->contains($o->fftn_id))
+			|| ($addresses->contains($o->tftn_id))
 		);
 	}
 }