Respect 'eternal' modifier from Forbidden and Arcanus in Deployer Recipes (#6231)

- We Could be Immortal
 - Fixes #6220

Author: Attack8

build.gradle

@@ -204,6 +204,8 @@ dependencies {
     // runtimeOnly fg.deobf("maven.modrinth:rubidium:0.5.3")
     // implementation fg.deobf("com.railwayteam.railways:railways-1.18.2-1.1.1:all") { transitive = false }
     // runtimeOnly fg.deobf("maven.modrinth:spark:1.10.38-forge")
+    //runtimeOnly fg.deobf("curse.maven:forbidden-arcanus-309858:4729924")
+    //runtimeOnly fg.deobf("curse.maven:valhelsia-core-416935:3886212")
 
     // https://discord.com/channels/313125603924639766/725850371834118214/910619168821354497
     // Prevent Mixin annotation processor from getting into IntelliJ's annotation processor settings

src/main/java/com/simibubi/create/content/kinetics/deployer/BeltDeployerCallbacks.java

@@ -94,7 +94,7 @@ public static ProcessingResult whenItemHeld(TransportedItemStack s, TransportedI
 
 	public static void activate(TransportedItemStack transported, TransportedItemStackHandlerBehaviour handler,
 		DeployerBlockEntity blockEntity, Recipe<?> recipe) {
-		
+
 		List<TransportedItemStack> collect =
 			RecipeApplier.applyRecipeOn(ItemHandlerHelper.copyStackWithSize(transported.stack, 1), recipe)
 				.stream()
@@ -113,7 +113,7 @@ public static void activate(TransportedItemStack transported, TransportedItemSta
 				.collect(Collectors.toList());
 
 		blockEntity.award(AllAdvancements.DEPLOYER);
-		
+
 		TransportedItemStack left = transported.copy();
 		blockEntity.player.spawnedItemEffects = transported.stack.copy();
 		left.stack.shrink(1);
@@ -128,8 +128,9 @@ public static void activate(TransportedItemStack transported, TransportedItemSta
 		}
 
 		ItemStack heldItem = blockEntity.player.getMainHandItem();
-		boolean unbreakable = heldItem.hasTag() && heldItem.getTag()
-			.getBoolean("Unbreakable");
+		boolean unbreakable = heldItem.hasTag() && (
+				heldItem.getTag().getBoolean("Unbreakable") ||
+				heldItem.getTag().getString("Modifier").equals("forbidden_arcanus:eternal")); // Forbidden Arcanus Compat, See Creators-of-Create#6220
 		boolean keepHeld =
 			recipe instanceof ItemApplicationRecipe && ((ItemApplicationRecipe) recipe).shouldKeepHeldItem();