style: 复制按钮样式调整

nezha-fronted/src/components/common/rightBox/chart/chartConfig.vue

@@ -475,7 +475,7 @@
                   <span @click="addColumns('')">
                       <i class="nz-icon nz-icon-create-square" style="font-weight: normal; font-size: 17px; cursor: pointer;"></i>
                   </span>
-                  <span class="nz-icon-copy">
+                  <span style="margin-right: 5px">
                       <i @click="copyColumns(index)" class="nz-icon nz-icon-override"></i>
                   </span>
                   <span class="nz-icon-minus-medium">

nezha-fronted/src/components/common/rightBox/chart/publicConfig.js

@@ -346,6 +346,7 @@ export default {
     },
     showMapping (index) {
       this.chartConfig.param.valueMapping[index].show = !this.chartConfig.param.valueMapping[index].show
+      this.change()
     },
     mappingItemChange (index, type) {
       const mapping = this.chartConfig.param.valueMapping[index]
@@ -416,6 +417,7 @@ export default {
     },
     showColumns (index) {
       this.chartConfig.param.columns[index].show = !this.chartConfig.param.columns[index].show
+      this.change()
     },
     tagsChange (newTags) {
       this.chartConfig.param.tags = newTags

nezha-fronted/src/components/common/rightBox/chart/systemChartConfig.vue

@@ -439,7 +439,7 @@
                   <span @click="addColumns('')">
                       <i class="nz-icon nz-icon-create-square" style="font-weight: normal; font-size: 17px; cursor: pointer;"></i>
                   </span>
-                  <span class="nz-icon-copy">
+                  <span style="margin-right: 5px">
                       <i @click="copyColumns(index)" class="nz-icon nz-icon-override"></i>
                   </span>
                   <span class="nz-icon-minus-medium">