Replace ValidatePrototypeId uses with ProtoId or EntProtoId (#38814)

* The easy ones

* For certain values of easy

* Easy test

* Hair

* Fix sandbox violations

* Sort usings

Content.Server/Chemistry/EntitySystems/ChemMasterSystem.cs

@@ -39,8 +39,7 @@ namespace Content.Server.Chemistry.EntitySystems
         [Dependency] private readonly LabelSystem _labelSystem = default!;
         [Dependency] private readonly ISharedAdminLogManager _adminLogger = default!;
 
-        [ValidatePrototypeId<EntityPrototype>]
-        private const string PillPrototypeId = "Pill";
+        private static readonly EntProtoId PillPrototypeId = "Pill";
 
         public override void Initialize()
         {