Update to latest Arbutils.

Signed-off-by: Deukhoofd <Deukhoofd@gmail.com>

src/Battling/Models/BattleSide.cpp

@@ -7,7 +7,6 @@ using namespace CreatureLib::Battling;
 bool BattleSide::AllChoicesSet() const noexcept { return _choicesSet == _creaturesPerSide; }
 
 bool BattleSide::AllPossibleSlotsFilled() const {
-    AssertNotNull(_battle)
     try {
         for (size_t i = 0; i < _creatures.Count(); i++) {
             auto c = _creatures[i];
@@ -30,7 +29,7 @@ void BattleSide::ResetChoices() noexcept {
 }
 
 void BattleSide::SetChoice(BaseTurnChoice* choice) {
-    AssertNotNull(choice)
+    EnsureNotNull(choice)
     try {
         for (size_t i = 0; i < _creatures.Count(); i++) {
             auto& c = _creatures[i];
@@ -60,9 +59,6 @@ void BattleSide::SetCreature(ArbUt::OptionalBorrowedPtr<Creature> creature, uint
     }
     creature.GetValue()->SetBattleData(_battle, this);
     creature.GetValue()->SetOnBattleField(true);
-    if (_battle == nullptr) {
-        return;
-    }
     for (auto* side : _battle->GetSides()) {
         if (side == this) {
             continue;
@@ -91,6 +87,5 @@ size_t BattleSide::ScriptCount() const { return _battle->ScriptCount() + 1; }
 
 uint8_t BattleSide::GetRandomCreatureIndex() {
     // TODO: Consider adding parameter to only get index for available creatures.
-    AssertNotNull(_battle)
     return _battle->GetRandom()->Get(_creaturesPerSide);
 }