Fix replenishable container entities save/load existing contents (#9417)

patches/server/LootTable-API-Replenishable-Lootables-Feature.patch

@@ -590,19 +590,25 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
                  nbt.putLong("LootTableSeed", this.getLootTableSeed());
              }
 -        } else {
-+        } else if (true) { // Paper - always load the items, table may still remain
-             ContainerHelper.saveAllItems(nbt, this.getItemStacks());
+-            ContainerHelper.saveAllItems(nbt, this.getItemStacks());
          }
  
++        ContainerHelper.saveAllItems(nbt, this.getItemStacks()); // Paper - always save the items, table may still remain
+     }
+ 
+     default void readChestVehicleSaveData(CompoundTag nbt) {
 @@ -0,0 +0,0 @@ public interface ContainerEntity extends Container, MenuProvider {
          if (nbt.contains("LootTable", 8)) {
              this.setLootTable(new ResourceLocation(nbt.getString("LootTable")));
              this.setLootTableSeed(nbt.getLong("LootTableSeed"));
 -        } else {
-+        } else if (true) { // Paper - always load the items, table may still remain
-             ContainerHelper.loadAllItems(nbt, this.getItemStacks());
+-            ContainerHelper.loadAllItems(nbt, this.getItemStacks());
          }
  
++        ContainerHelper.loadAllItems(nbt, this.getItemStacks()); // Paper - always load the items, table may still remain
+     }
+ 
+     default void chestVehicleDestroyed(DamageSource source, Level world, Entity vehicle) {
 @@ -0,0 +0,0 @@ public interface ContainerEntity extends Container, MenuProvider {
  
      default void unpackChestVehicleLootTable(@Nullable Player player) {