fix multismelter getting stuck when its output gets full

Author: PrototypeTrousers

src/main/java/gregtech/common/metatileentities/multi/electric/MetaTileEntityMultiFurnace.java

@@ -110,6 +110,9 @@ protected void trySearchNewRecipe() {
             } else if (previousRecipe != null && previousRecipe.matches(false, importInventory, importFluids)) {
                 //if previous recipe still matches inputs, try to use it
                 currentRecipe = previousRecipe;
+            } else {
+                metaTileEntity.setInputsDirty(false);
+                currentRecipe = findRecipe(maxVoltage, importInventory, importFluids);
             }
             if (currentRecipe != null)
                 // replace old recipe with new one