Adds hook to completely prevent stat boost change

src/Battling/Models/Creature.cpp

@@ -141,6 +141,12 @@ namespace CreatureLib::Battling {
     }
 
     bool Creature::ChangeStatBoost(Library::Statistic stat, int8_t diffAmount) {
+        bool preventStatChange = false;
+        HOOK(PreventStatBoostChange, this, this, stat, diffAmount, &preventStatChange);
+        if (preventStatChange) {
+            return false;
+        }
+
         HOOK(ModifyStatBoostChange, this, this, stat, &diffAmount);
         bool changed = false;
         auto oldValue = this->_statBoost.GetStat(stat);