refactor(仪表板): 仪表板使用缓存后保存按钮默认可用

frontend/src/components/canvas/store/snapshot.js

@@ -64,6 +64,9 @@ export default {
       state.changeTimes = 0
       state.lastSaveSnapshotIndex = deepCopy(state.snapshotIndex)
     },
+    recordChangeTimes(state) {
+      state.changeTimes++
+    },
     recordStyleChange(state) {
       state.styleChangeTimes++
     }

frontend/src/views/panel/edit/index.vue

@@ -783,6 +783,7 @@ export default {
         setTimeout(() => {
           if (useCache) {
             _this.$store.commit('recordSnapshot', 'cache')
+            _this.$store.commit('recordChangeTimes' )
           } else {
             _this.$store.commit('refreshSaveStatus')
           }