Replace all raw string comparisons with StringKey, source generator that creates cache keys for all names for Gen7 plugin

Plugins/PkmnLib.Plugin.Gen7/Scripts/Moves/IceFang.cs

@@ -14,7 +14,7 @@ public class IceFang : Script, IScriptOnSecondaryEffect
         var random = battleData.Battle.Random;
         if (random.EffectChance(10, move, target, hit))
         {
-            target.SetStatus("frozen", move.User);
+            target.SetStatus(ScriptUtils.ResolveName<Status.Frozen>(), move.User);
         }
 
         // It also has an independent 10% chance of causing the target to flinch, if the user attacks before the target.