NEZ-1924 fix：Explore保存Metrics时不显示表达式

nezha-fronted/src/components/common/project/L5/CanvasProps.vue

@@ -46,6 +46,7 @@
                       style="">
                 <promql-input
                   :from-father-data="true"
+                  :isTopo="true"
                   :metricOptionsParent="metricOptions"
                   :id="index"
                   :key="index"
@@ -222,6 +223,7 @@
                       style="width: 100%; border-radius: 2px; padding-right: 60px;">
                 <promql-input
                   :from-father-data="true"
+                  :isTopo="true"
                   :metricOptionsParent="metricOptions"
                   :id="index"
                   :pqid="'vm'"

nezha-fronted/src/components/page/dashboard/explore/promqlInput.vue

@@ -464,6 +464,10 @@ export default {
     },
     type: {
       type: String // metric和log两种，为空时视为metric
+    },
+    isTopo: {
+      type: Boolean,
+      default: false
     }
     // metricOptions: {type: Array},
     // metricStore: {type: Array}
@@ -1098,14 +1102,16 @@ export default {
       immediate: true,
       handler (n, o) {
         this.codeMirrorValue[this.index] = n[this.index]
-        // setTimeout(() => {
-        //   const text = this.newView.state.doc.toString()
-        //   this.newView.dispatch(
-        //     this.newView.state.update({
-        //       changes: { from: 0, to: text.length, insert: this.codeMirrorValue[this.index] }
-        //     })
-        //   )
-        // }, 200)
+        if (this.isTopo) {
+          setTimeout(() => {
+            const text = this.newView.state.doc.toString()
+            this.newView.dispatch(
+              this.newView.state.update({
+                changes: { from: 0, to: text.length, insert: this.codeMirrorValue[this.index] }
+              })
+            )
+          }, 200)
+        }
       }
     },