Fix crash in Fishing Port when no recipe is found (GTNewHorizons#3547)

Co-authored-by: Maya <[email protected]>

src/main/java/gtPlusPlus/core/util/data/ArrayUtils.java

@@ -5,6 +5,8 @@
 import java.util.Collections;
 import java.util.List;
 
+import javax.annotation.Nonnull;
+
 import net.minecraft.item.ItemStack;
 
 public class ArrayUtils {
@@ -21,13 +23,13 @@ public static <V> V[] insertElementAtIndex(V[] aArray, int aIndex, V aObjectToIn
         return newArray;
     }
 
-    public static Object[] removeNulls(final Object[] v) {
+    public static Object[] removeNulls(@Nonnull final Object[] v) {
         List<Object> list = new ArrayList<>(Arrays.asList(v));
         list.removeAll(Collections.singleton(null));
         return list.toArray(new Object[0]);
     }
 
-    public static ItemStack[] removeNulls(final ItemStack[] v) {
+    public static ItemStack[] removeNulls(@Nonnull final ItemStack[] v) {
         List<ItemStack> list = new ArrayList<>(Arrays.asList(v));
         list.removeAll(Collections.singleton((ItemStack) null));
         return list.toArray(new ItemStack[0]);

src/main/java/gtPlusPlus/xmod/gregtech/common/tileentities/machines/multi/production/MTEIndustrialFishingPond.java

@@ -222,6 +222,10 @@ protected boolean filtersFluid() {
         setModeFromInputStacks(tItemInputs);
 
         ItemStack[] mFishOutput = generateLoot();
+        if (mFishOutput == null) {
+            return CheckRecipeResultRegistry.NO_RECIPE;
+        }
+
         mFishOutput = removeNulls(mFishOutput);
         GTRecipe g = new GTRecipe(
             true,