Fix client world get on level chunk packet in 1.8->1.7

Author: FlorianMichael

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/rewriter/EntityPacketRewriter1_8.java

@@ -33,7 +33,6 @@
 import com.viaversion.viarewind.protocol.v1_8to1_7_6_10.storage.PlayerSessionStorage;
 import com.viaversion.viarewind.protocol.v1_8to1_7_6_10.storage.ScoreboardTracker;
 import com.viaversion.viaversion.api.minecraft.BlockPosition;
-import com.viaversion.viaversion.api.minecraft.ClientWorld;
 import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_8;
 import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_8.EntityType;
 import com.viaversion.viaversion.api.minecraft.item.Item;

common/src/main/java/com/viaversion/viarewind/protocol/v1_8to1_7_6_10/rewriter/WorldPacketRewriter1_8.java

@@ -41,7 +41,7 @@ public class WorldPacketRewriter1_8 {
 
 	public static void register(Protocol1_8To1_7_6_10 protocol) {
 		protocol.registerClientbound(ClientboundPackets1_8.LEVEL_CHUNK, wrapper -> {
-			final ClientWorld world = wrapper.user().get(ClientWorld.class);
+			final ClientWorld world = wrapper.user().getClientWorld(Protocol1_8To1_7_6_10.class);
 			final Chunk chunk = wrapper.read(ChunkType1_8.forEnvironment(world.getEnvironment()));
 			protocol.getItemRewriter().handleChunk(chunk);