fix: strip html styles on paste

apps/client/src/features/editor/extensions/extensions.ts

@@ -112,6 +112,7 @@ import EmojiCommand from "./emoji-command";
 import { countWords } from "alfaaz";
 import AutoJoiner from "@/features/editor/extensions/autojoiner.ts";
 import GlobalDragHandle from "@/features/editor/extensions/drag-handle.ts";
+import { CleanStyles } from "@/features/editor/extensions/clean-styles.ts";
 
 const lowlight = createLowlight(common);
 lowlight.register("mermaid", plaintext);
@@ -383,6 +384,7 @@ export const mainExtensions = [
   MarkdownClipboard.configure({
     transformPastedText: true,
   }),
+  CleanStyles,
   CharacterCount.configure({
     wordCounter: (text) => countWords(text),
   }),