Legacy stack type (#416)

Co-authored-by: Kogepan229 <kogepan25629@gmail.com>

src/main/java/com/glodblock/github/common/parts/PartFluidLevelEmitter.java

@@ -1,5 +1,7 @@
 package com.glodblock.github.common.parts;
 
+import static appeng.util.item.AEFluidStackType.FLUID_STACK_TYPE;
+
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 
@@ -8,6 +10,7 @@ import com.glodblock.github.common.item.ItemFluidPacket;
 import appeng.api.storage.StorageName;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.api.storage.data.IAEStack;
+import appeng.api.storage.data.IAEStackType;
 import appeng.helpers.Reflected;
 import appeng.parts.automation.PartLevelEmitter;
 
@@ -27,4 +30,9 @@ public class PartFluidLevelEmitter extends PartLevelEmitter {
             this.getAEInventoryByName(StorageName.CONFIG).putAEStackInSlot(0, ItemFluidPacket.getFluidAEStack(ais));
         }
     }
+
+    @Override
+    protected IAEStackType<?> getUltraLegacyType() {
+        return FLUID_STACK_TYPE;
+    }
 }