Fix furnace minecart custom item for 1.17.30

connector/src/main/java/org/geysermc/connector/registry/populator/ItemRegistryPopulator.java

@@ -100,7 +100,7 @@ public class ItemRegistryPopulator {
         for (Map.Entry<String, PaletteVersion> palette : PALETTE_VERSIONS.entrySet()) {
             stream = FileUtils.getResource(String.format("bedrock/runtime_item_states.%s.json", palette.getKey()));
 
-            TypeReference<List<PaletteItem>> paletteEntriesType = new TypeReference<List<PaletteItem>>() { };
+            TypeReference<List<PaletteItem>> paletteEntriesType = new TypeReference<>() {};
 
             // Used to get the Bedrock namespaced ID (in instances where there are small differences)
             Object2IntMap<String> bedrockIdentifierToId = new Object2IntOpenHashMap<>();
@@ -470,9 +470,17 @@ public class ItemRegistryPopulator {
                 builder.putString("name", "geysermc:furnace_minecart")
                         .putInt("id", furnaceMinecartId);
 
+                NbtMapBuilder itemProperties = NbtMap.builder();
+
                 NbtMapBuilder componentBuilder = NbtMap.builder();
                 // Conveniently, as of 1.16.200, the furnace minecart has a texture AND translation string already.
-                componentBuilder.putCompound("minecraft:icon", NbtMap.builder().putString("texture", "minecart_furnace").build());
+                // 1.17.30 moves the icon to the item properties section
+                (palette.getValue().getProtocolVersion() >= Bedrock_v465.V465_CODEC.getProtocolVersion() ?
+                        itemProperties : componentBuilder).putCompound("minecraft:icon", NbtMap.builder()
+                        .putString("texture", "minecart_furnace")
+                        .putString("frame", "0.000000")
+                        .putInt("frame_version", 1)
+                        .putString("legacy_id", "").build());
                 componentBuilder.putCompound("minecraft:display_name", NbtMap.builder().putString("value", "item.minecartFurnace.name").build());
 
                 // Indicate that the arm animation should play on rails
@@ -483,7 +491,6 @@ public class ItemRegistryPopulator {
                         .putList("use_on", NbtType.COMPOUND, useOnTag)
                         .build());
 
-                NbtMapBuilder itemProperties = NbtMap.builder();
                 // We always want to allow offhand usage when we can - matches Java Edition
                 itemProperties.putBoolean("allow_off_hand", true);
                 itemProperties.putBoolean("hand_equipped", false);