fix: strip html styles on paste

apps/client/src/features/editor/extensions/clean-styles.ts

@@ -0,0 +1,20 @@
+import { Extension } from "@tiptap/core";
+import { Plugin, PluginKey } from "@tiptap/pm/state";
+
+export const CleanStyles = Extension.create({
+  name: "cleanStyles",
+  priority: 80,
+
+  addProseMirrorPlugins() {
+    return [
+      new Plugin({
+        key: new PluginKey("cleanStyles"),
+        props: {
+          transformPastedHTML(html) {
+            return html.replace(/\s+style="[^"]*"/gi, "");
+          },
+        },
+      }),
+    ];
+  },
+});