fix extra rebuild

packages/core/src/systems/wall/wall-system.tsx

@@ -21,6 +21,7 @@ const csgEvaluator = new Evaluator()
 // WALL SYSTEM
 // ============================================================================
 
+let useFrameNb = 0;
 export const WallSystem = () => {
   const dirtyNodes = useScene((state) => state.dirtyNodes)
   const clearDirty = useScene((state) => state.clearDirty)
@@ -33,7 +34,7 @@ export const WallSystem = () => {
     // Collect dirty walls and their levels
     const dirtyWallsByLevel = new Map<string, Set<string>>()
 
-    
+    useFrameNb += 1;    
     dirtyNodes.forEach((id) => {
       const node = nodes[id]
       if (!node || node.type !== 'wall') return
@@ -106,6 +107,7 @@ function updateWallGeometry(wallId: string, miterData: WallMiterData) {
   const node = nodes[wallId as WallNode['id']]
   if (!node || node.type !== 'wall') return
 
+
   const mesh = sceneRegistry.nodes.get(wallId) as THREE.Mesh
   if (!mesh) return