refactor(数据大屏): 优化组合菜单显示，防止组合右键菜单弹出偏移过大

core/core-frontend/src/components/data-visualization/canvas/CanvasCore.vue

@@ -508,7 +508,7 @@ const handleContextMenu = e => {
     target = target.parentNode
   }
 
-  while (!target.className.includes('editor')) {
+  while (!target.className.includes('editor-main')) {
     left += target.offsetLeft
     top += target.offsetTop
     target = target.parentNode

core/core-frontend/src/views/data-visualization/index.vue

@@ -393,7 +393,7 @@ eventBus.on('handleNew', handleNew)
             @mouseup="deselectCurComponent"
           >
             <canvas-core
-              class="canvas-area-shadow"
+              class="canvas-area-shadow editor-main"
               v-if="state.canvasInitStatus"
               ref="mainCanvasCoreRef"
               :component-data="componentData"