Fix Steam Sieve UI not opening

Author: Irgendwer01

src/main/java/gregtech/integration/exnihilo/metatileentities/MetaTileEntitySteamSieve.java

@@ -60,4 +60,9 @@ public ModularUI.Builder createUITemplate(EntityPlayer player) {
         }
         return builder;
     }
+
+    @Override
+    protected ModularUI createUI(EntityPlayer entityPlayer) {
+        return createUITemplate(entityPlayer).build(getHolder(), entityPlayer);
+    }
 }