refactor(仪表板): 当检测到组件想要移入Tab中的画布时，被拖拽组件图层设置为最高防止被tab组件遮挡

frontend/src/components/DeDrag/index.vue

@@ -64,7 +64,7 @@
         @mousedown.stop.prevent="handleDown(handlei, $event)"
         @touchstart.stop.prevent="handleTouchDown(handlei, $event)"
       >
-        <slot :name="handlei"/>
+        <slot :name="handlei" />
       </div>
       <div
         :id="componentCanvasId"
@@ -77,7 +77,7 @@
           class="svg-background"
           :icon-class="mainSlotSvgInner"
         />
-        <slot/>
+        <slot />
       </div>
     </div>
   </div>