Don't throw TMI in OpDuplicateN to remove mishap message discrepancy

Common/src/main/java/at/petrak/hexcasting/common/casting/actions/stack/OpDuplicateN.kt

@@ -4,18 +4,20 @@ import at.petrak.hexcasting.api.casting.castables.ConstMediaAction
 import at.petrak.hexcasting.api.casting.eval.CastingEnvironment
 import at.petrak.hexcasting.api.casting.getPositiveInt
 import at.petrak.hexcasting.api.casting.iota.Iota
-import at.petrak.hexcasting.api.casting.mishaps.MishapStackSize
 import at.petrak.hexcasting.common.lib.hex.HexIotaTypes
 
 object OpDuplicateN : ConstMediaAction {
     override val argc: Int
         get() = 2
 
     override fun execute(args: List<Iota>, env: CastingEnvironment): List<Iota> {
-        val count = args.getPositiveInt(1, argc)
+        var count = args.getPositiveInt(1, argc)
 
         if (count > HexIotaTypes.MAX_SERIALIZATION_TOTAL) {
-            throw MishapStackSize()
+            // If we throw here, the message will point to us, which usually doesn't happen.
+            // So ensure that this check has no user-facing effects, just cap to MAX_SERIALIZATION_TOTAL,
+            // which will unconditionally trigger Too Many Iotas after we return.
+            count = HexIotaTypes.MAX_SERIALIZATION_TOTAL
         }
 
         return (List(count) { args[0] })