🔧 Avoid clone in rebuild_touched_tiles

Use std::mem::take instead of clone to avoid HashSet allocation.
The set was cleared anyway by clean_touched(), so take() is safe.

render-wasm/src/render.rs

@@ -2307,7 +2307,7 @@ impl RenderState {
 
         let mut all_tiles = HashSet::<tiles::Tile>::new();
 
-        let ids = self.touched_ids.clone();
+        let ids = std::mem::take(&mut self.touched_ids);
 
         for shape_id in ids.iter() {
             if let Some(shape) = tree.get(shape_id) {
@@ -2322,8 +2322,6 @@ impl RenderState {
             self.remove_cached_tile(tile);
         }
 
-        self.clean_touched();
-
         performance::end_measure!("rebuild_touched_tiles");
     }