fix: the issue that the update timing is incorrect (#5)

修复因为更新内容时机导致 Console 编辑内容界面频繁更新缓存的问题。 /kind bug Fixes halo-dev/halo#3259 可测试 JAR 包：[plugin-bytemd-1.0.0-SNAPSHOT.jar.zip](https://github.com/halo-sigs/plugin-bytemd/files/10693022/plugin-bytemd-1.0.0-SNAPSHOT.jar.zip) ```release-note 修复因为更新内容时机导致 Console 编辑内容界面频繁更新缓存的问题。 ```
halo-sigs · Feb 9, 2023 · f7c896f · f7c896f
1 parent 0eb5844
commit f7c896f
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diff --git a/console/src/components/bytemd.vue b/console/src/components/bytemd.vue
@@ -28,7 +28,10 @@ const emit = defineEmits<{
 
 const handleChange = (v: string) => {
   emit("update:raw", v);
-  emit("update", v);
+
+  if (v !== props.raw) {
+    emit("update", v);
+  }
 
   const processor = getProcessor({ plugins: plugins }).processSync(props.raw);