feat: Implement wall asset management features including creation, instances, and rendering; enhance wall properties input validation

app/src/modules/builder/Decal/decalInstance.tsx

@@ -7,7 +7,7 @@ import { useBuilderStore } from '../../../store/builder/useBuilderStore';
 import defaultMaterial from '../../../assets/textures/floor/wall-tex.png';
 import useModuleStore from '../../../store/useModuleStore';
 
-function DecalInstance({ visible = true, decal }: { visible?: boolean, decal: Decal }) {
+function DecalInstance({ visible = true, decal, zPosition = decal.decalPosition[2] }: { visible?: boolean, decal: Decal, zPosition?: number }) {
     const { setSelectedWall, setSelectedFloor, selectedDecal, setSelectedDecal } = useBuilderStore();
     const { togglView } = useToggleView();
     const { activeModule } = useModuleStore();
@@ -17,7 +17,7 @@ function DecalInstance({ visible = true, decal }: { visible?: boolean, decal: De
         <Decal
             // debug
             visible={visible}
-            position={decal.decalPosition}
+            position={[decal.decalPosition[0], decal.decalPosition[1], zPosition]}
             rotation={[0, 0, decal.decalRotation]}
             scale={[decal.decalScale, decal.decalScale, 0.01]}
             userData={decal}