Fix crash with Optifine

- Bump version

gradle.properties

@@ -2,7 +2,7 @@ org.gradle.jvmargs = -Xmx3G
 org.gradle.daemon = false
 
 # mod version info
-mod_version = 0.6.6
+mod_version = 0.6.7
 artifact_minecraft_version = 1.19.2
 
 minecraft_version = 1.19.2

src/main/java/com/jozufozu/flywheel/mixin/instancemanage/RenderChunkMixin.java

@@ -10,7 +10,7 @@ import net.minecraft.client.renderer.chunk.ChunkRenderDispatcher;
 @Mixin(ChunkRenderDispatcher.RenderChunk.class)
 public class RenderChunkMixin implements com.jozufozu.flywheel.util.RenderChunkExtension {
 
-	@Shadow
+	@Shadow(aliases = "this$0") // Optifine does not use the obfuscated name so the mapped name must be included as an alias
 	@Final
 	private ChunkRenderDispatcher this$0;