Lint more const string prototypes (#18922)

Content.Server/Speech/EntitySystems/RatvarianLanguageSystem.cs

@@ -1,4 +1,4 @@
-using System.Text;
+using System.Text;
 using System.Text.RegularExpressions;
 using Content.Shared.Speech.Components;
 using Content.Shared.Speech.EntitySystems;
@@ -9,6 +9,9 @@ namespace Content.Server.Speech.EntitySystems;
 public sealed class RatvarianLanguageSystem : SharedRatvarianLanguageSystem
 {
     [Dependency] private readonly StatusEffectsSystem _statusEffects = default!;
+
+
+    [ValidatePrototypeId<StatusEffectPrototype>]
     private const string RatvarianKey = "RatvarianLanguage";
 
     // This is the word of Ratvar and those who speak it shall abide by His rules: