NEZ-2692 fix：projetc topo bug

nezha-fronted/src/assets/css/components/page/monitor/project/project.scss

@@ -20,6 +20,7 @@
     width: calc(50% - 10px);
     margin-right: 10px;
     min-width: 435px;
+    overflow: hidden;
     //div.page {
     //  textarea {
     //    display: none;
@@ -168,4 +169,4 @@
       }
     }
   }
-}
+}

nezha-fronted/src/components/common/project/meta2d/js/topoUtil.js

@@ -11,7 +11,7 @@ export default {
     },
     initEdit (id) {
       bus.$emit('changeSelectPens', [])
-      getTopology(id).active([])
+      getTopology(id).inactive()
       getTopology(id).lock(0)
       getTopology(id).stopAnimate()
       if (getTopology(id).data().pens) {

nezha-fronted/src/components/common/project/meta2d/meta2dCanvas.vue

@@ -305,7 +305,9 @@ export default {
       getTopology(this.meta2dId).addPen(pen, true)
     },
     clearSelection () {
-      getTopology(this.meta2dId).active([])
+      // getTopology(this.meta2dId).active([])
+      getTopology(this.meta2dId).inactive()
+      getTopology(this.meta2dId).render()
       bus.$emit('changeSelectPens', [])
     }
   }

nezha-fronted/src/components/common/project/meta2d/meta2dElement.vue

@@ -10,7 +10,7 @@
             {{$t('overall.module')}}
           </div>
           <div v-show="elements.position" class="form-row-content">
-            <el-select v-model="pen.moduleId" @change="change('moduleId')" size="small">
+            <el-select v-model="pen.moduleId" @change="change('moduleId')" size="small" clearable>
               <el-option v-for="item in modules" :value="item.id" :key="item.id" :label="item.name" :disabled="item.disabled"/>
             </el-select>
           </div>