Normalize AI product HTML for the rich text description editor.

Sanitize model output to an allowlisted fragment and convert plain/markdown fallbacks so description text stays inside the advanced editor.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/pages/AddNewProductPage.module.css

@@ -82,6 +82,8 @@
 .fieldWithAi {
   position: relative;
   min-width: 0;
+  width: 100%;
+  max-width: 100%;
 }
 
 .aiFillAnchor {

apps/business/src/pages/AddNewProductPage.tsx

@@ -352,6 +352,7 @@ export function AddNewProductPage() {
                 value={description}
                 onChange={setDescription}
                 placeholder={t('products.form.descriptionPlaceholder')}
+                editorMinHeight={180}
               />
               <span className={styles.aiFillAnchor}>
                 <Tooltip label={t('products.form.aiFill')}>