Replace obsolete EntityWhitelist IsValid usages (#28465)

* Replace obsolete whitelist is valid with whitelist system

* Consistency

* Fix logic

* Bork

* I figured out how to get whitelists on the client lol

* test fail

* woops

* HELP ME FUNCTIONS

* Fix errors

* simplify

---------

Co-authored-by: plykiya <plykiya@protonmail.com>

Content.Shared/Weapons/Ranged/Systems/SharedGunSystem.Revolver.cs

@@ -89,7 +89,7 @@ public partial class SharedGunSystem
 
     public bool TryRevolverInsert(EntityUid revolverUid, RevolverAmmoProviderComponent component, EntityUid uid, EntityUid? user)
     {
-        if (component.Whitelist?.IsValid(uid, EntityManager) == false)
+        if (_whitelistSystem.IsWhitelistFail(component.Whitelist, uid))
             return false;
 
         // If it's a speedloader try to get ammo from it.