Add decal management functionality and refactor wall components

app/src/modules/builder/wall/wallGroup.tsx

@@ -7,12 +7,13 @@ import useModuleStore from '../../../store/useModuleStore';
 
 function WallGroup() {
     const { togglView } = useToggleView();
-    const { setSelectedWall } = useBuilderStore();
+    const { setSelectedWall, setSelectedDecal } = useBuilderStore();
     const { activeModule } = useModuleStore();
 
     useEffect(() => {
         if (togglView || activeModule !== 'builder') {
             setSelectedWall(null);
+            setSelectedDecal(null);
         }
     }, [togglView, activeModule])