Add rotation and bobbing to the lens entity renderer.

MODSRC/vazkii/botania/client/render/item/RenderLens.java

@@ -38,7 +38,7 @@ public class RenderLens implements IItemRenderer {
 
 	@Override
 	public boolean shouldUseRenderHelper(ItemRenderType type, ItemStack item, ItemRendererHelper helper) {
-		return false;
+		return helper == ItemRendererHelper.ENTITY_ROTATION || helper == ItemRendererHelper.ENTITY_BOBBING;
 	}
 
 	@Override