refactor: quick search input and result (#1512)

apps/web/src/components/pure/quick-search-modal/Footer.tsx

@@ -1,7 +1,7 @@
 import { useTranslation } from '@affine/i18n';
 import type { PageBlockModel } from '@blocksuite/blocks';
 import { PlusIcon } from '@blocksuite/icons';
-import { assertEquals, assertExists, nanoid } from '@blocksuite/store';
+import { assertEquals, nanoid } from '@blocksuite/store';
 import { Command } from 'cmdk';
 import { NextRouter } from 'next/router';
 import React from 'react';
@@ -49,8 +49,9 @@ export const Footer: React.FC<FooterProps> = ({
           const block = newPage.getBlockByFlavour(
             'affine:page'
           )[0] as PageBlockModel;
-          assertExists(block);
-          block.title.insert(query, 0);
+          if (block) {
+            block.title.insert(query, 0);
+          }
         }
       }}
     >