feat: 完善选区功能，新增组图层自由编辑

src/component/Canvas/CanvasEditor/components/LayersPanel/LayerItem.vue

@@ -373,6 +373,7 @@ function findParentLayerId() {
           'fixed-layer': layer.isBackground || layer.isFixed,
         },
       ]"
+      :data-layer-id="layer.id"
       @click="handleClick"
       @dblclick="handleDoubleClick"
       @touchstart="handleTouchStart"