pref: export necessary extensions externally (#5104)

#### What type of PR is this?

/kind improvement
/area editor
/milestone 2.12.x

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

导出一些必要的默认编辑器扩展及工具类，例如 `Paragraph`

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

Fixes #5103 

#### Does this PR introduce a user-facing change?
```release-note
导出必要的默认编辑器扩展及工具类
```

console/packages/editor/src/extensions/index.ts

@@ -15,6 +15,7 @@ import ExtensionOrderedList from "./ordered-list";
 import ExtensionTaskList from "./task-list";
 import ExtensionTable from "./table";
 import ExtensionTextAlign from "./text-align";
+import ExtensionTextStyle from "@tiptap/extension-text-style";
 import ExtensionLink from "./link";
 import ExtensionColor from "./color";
 import ExtensionFontSize from "./font-size";
@@ -23,6 +24,7 @@ import ExtensionGapcursor from "@tiptap/extension-gapcursor";
 import ExtensionHardBreak from "@tiptap/extension-hard-break";
 import ExtensionHorizontalRule from "@tiptap/extension-horizontal-rule";
 import ExtensionDocument from "@tiptap/extension-document";
+import ExtensionParagraph from "./paragraph";
 import ExtensionPlaceholder from "@tiptap/extension-placeholder";
 import { i18n } from "@/locales";
 
@@ -118,10 +120,12 @@ export {
   ExtensionTaskList,
   ExtensionLink,
   ExtensionTextAlign,
+  ExtensionTextStyle,
   ExtensionUnderline,
   ExtensionTable,
   ExtensionSubscript,
   ExtensionSuperscript,
+  ExtensionParagraph,
   ExtensionPlaceholder,
   ExtensionHighlight,
   ExtensionCommands,

console/packages/editor/src/index.ts

@@ -17,3 +17,4 @@ export default plugin;
 export * from "./tiptap";
 export * from "./extensions";
 export * from "./components";
+export * from "./utils";