Close the villager trade gui when he dies (#637)

Minecraft.World/Villager.cpp

@@ -16,6 +16,7 @@
 #include "net.minecraft.world.level.h"
 #include "..\Minecraft.Client\Textures.h"
 #include "Villager.h"
+#include "AbstractContainerMenu.h"
 
 unordered_map<int, pair<int,int> > Villager::MIN_MAX_VALUES;
 unordered_map<int, pair<int,int> > Villager::MIN_MAX_PRICES;
@@ -307,6 +308,18 @@ void Villager::die(DamageSource *source)
 		}
 	}
 
+	// Make the gui close if the villager die while trading
+    if (auto currentTrader = tradingPlayer.lock())
+    {
+        if (currentTrader->containerMenu != nullptr)
+        {
+            auto menu = currentTrader->containerMenu;
+            menu->removed(currentTrader);
+        }
+
+        tradingPlayer.reset();
+    }
+
 	AgableMob::die(source);
 }