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.Client/UserInterface/RichText/MonoTag.cs

@@ -12,7 +12,7 @@ namespace Content.Client.UserInterface.RichText;
 /// </summary>
 public sealed class MonoTag : IMarkupTag
 {
-    [ValidatePrototypeId<FontPrototype>] public const string MonoFont = "Monospace";
+    public static readonly ProtoId<FontPrototype> MonoFont = "Monospace";
 
     [Dependency] private readonly IResourceCache _resourceCache = default!;
     [Dependency] private readonly IPrototypeManager _prototypeManager = default!;