refactor: preserve post title when opening settings (#6122)

#### What type of PR is this?

/area ui
/kind improvement
/milestone 2.17.x

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

在文章编辑页面，打开文章设置时，支持保存标题，防止已修改的标题恢复为之前的值。

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

Fixes https://github.com/halo-dev/halo/issues/6058

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

```release-note
优化文章编辑页面自动保存标题的功能
```

ui/console-src/modules/contents/pages/SinglePageEditor.vue

@@ -311,11 +311,27 @@ const handleFetchContent = async () => {
 
 // SinglePage settings
 const handleOpenSettingModal = async () => {
+  if (isTitleChanged.value) {
+    await coreApiClient.content.singlePage.patchSinglePage({
+      name: formState.value.page.metadata.name,
+      jsonPatchInner: [
+        {
+          op: "add",
+          path: "/spec/title",
+          value:
+            formState.value.page.spec.title || t("core.page_editor.untitled"),
+        },
+      ],
+    });
+    isTitleChanged.value = false;
+  }
+
   const { data: latestSinglePage } =
     await coreApiClient.content.singlePage.getSinglePage({
       name: formState.value.page.metadata.name,
     });
   formState.value.page = latestSinglePage;
+
   settingModal.value = true;
 };
 

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

@@ -330,10 +330,26 @@ const handleFetchContent = async () => {
 };
 
 const handleOpenSettingModal = async () => {
+  if (isTitleChanged.value) {
+    await coreApiClient.content.post.patchPost({
+      name: formState.value.post.metadata.name,
+      jsonPatchInner: [
+        {
+          op: "add",
+          path: "/spec/title",
+          value:
+            formState.value.post.spec.title || t("core.post_editor.untitled"),
+        },
+      ],
+    });
+    isTitleChanged.value = false;
+  }
+
   const { data: latestPost } = await coreApiClient.content.post.getPost({
     name: formState.value.post.metadata.name,
   });
   formState.value.post = latestPost;
+
   settingModal.value = true;
 };