Make folder-list collapsible

src/handwriting/mod.rs

@@ -508,7 +508,7 @@ impl Handwriting {
         #[cfg(not(target_arch = "wasm32"))]
         {
             let elapsed = start_time.elapsed();
-            println!("refreshed mesh in {:.3}s", elapsed.as_secs_f32());
+            log::debug!("refreshed mesh in {:.3}s", elapsed.as_secs_f32());
         }
     }