fix: not remembering the selected editor (#6114)

#### What type of PR is this?

/area ui
/kind bug
/milestone 2.17.x

#### What this PR does / why we need it:

修复新建文章时，没有自动选择之前所选编辑器的问题。

#### Which issue(s) this PR fixes:

Fixes https://github.com/halo-dev/halo/issues/6091

#### Special notes for your reviewer:

#### Does this PR introduce a user-facing change?

```release-note
修复新建文章时，没有自动选择之前所选编辑器的问题。
```

ui/console-src/modules/contents/posts/PostEditor.vue

@@ -50,7 +50,7 @@ const { mutateAsync: postUpdateMutate } = usePostUpdateMutate();
 const { currentUserHasPermission } = usePermission();
 
 // Editor providers
-const { editorProviders } = useEditorExtensionPoints();
+const { editorProviders, fetchEditorProviders } = useEditorExtensionPoints();
 const currentEditorProvider = ref<EditorProvider>();
 const storedEditorProviderName = useLocalStorage("editor-provider-name", "");
 
@@ -356,6 +356,8 @@ const onSettingPublished = (post: Post) => {
 // Get post data when the route contains the name parameter
 const name = useRouteQuery<string>("name");
 onMounted(async () => {
+  await fetchEditorProviders();
+
   if (name.value) {
     // fetch post
     const { data: post } =