Merge pull request #8165 from dataease/pr@dev-v2_dzz_mobile

fix(移动端): 移动端设计页面，当组件被选择至画布后，又从画布中移除，画布中会有空白，组件没有自动往上吸附。

core/core-frontend/src/views/dashboard/MobileConfigPanel.vue

@@ -212,6 +212,7 @@ const addToMobile = com => {
     background: #f5f6f7;
     padding: 16px;
     padding-top: 0;
+    overflow-y: auto;
 
     :deep(.ed-tabs) {
       width: 100%;

core/core-frontend/src/views/mobile/panel/index.vue

@@ -30,6 +30,7 @@ const hanedleMessage = event => {
     dvMainStore.setCanvasStyle(canvasStyleData)
     dvMainStore.updateCurDvInfo(dvInfo)
     dvMainStore.setCanvasViewInfo(canvasViewInfo)
+    eventBus.emit('doCanvasInit-canvas-main')
     panelInit.value = true
   }
 
@@ -37,6 +38,7 @@ const hanedleMessage = event => {
     const component = event.data.value
     checkItemPosition(component)
     dvMainStore.componentData.push(component)
+    eventBus.emit('doCanvasInit-canvas-main')
   }
 
   if (event.data.type === 'setCanvasStyle') {