fix: split view focus (#11217)

# After:

https://github.com/user-attachments/assets/990d500d-2da7-488e-ac32-dd7bd229f896

# Before:

https://github.com/user-attachments/assets/6676766a-c76a-414b-a35e-53d2cda10c24

tests/blocksuite/e2e/clipboard/clipboard.spec.ts

@@ -5,7 +5,6 @@ import { expect } from '@playwright/test';
 import {
   captureHistory,
   copyByKeyboard,
-  dragBetweenCoords,
   dragOverTitle,
   enterPlaygroundRoom,
   focusRichText,
@@ -20,15 +19,18 @@ import {
   mockParseDocUrlService,
   pasteByKeyboard,
   pasteContent,
+  pressArrowRight,
   pressEnter,
   pressShiftTab,
   pressTab,
   resetHistory,
+  selectAllByKeyboard,
   setInlineRangeInSelectedRichText,
   setSelection,
   SHORT_KEY,
   type,
   undoByClick,
+  undoByKeyboard,
   waitNextFrame,
 } from '../utils/actions/index.js';
 import {
@@ -106,15 +108,15 @@ test(scoped`split block when paste`, async ({ page }) => {
 `,
   };
   await type(page, 'abc');
-  await captureHistory(page);
 
   await setInlineRangeInSelectedRichText(page, 1, 1);
+  await captureHistory(page);
   await pasteContent(page, clipData);
   await waitNextFrame(page);
 
   await assertRichTexts(page, ['atext', 'h1c']);
 
-  await undoByClick(page);
+  await undoByKeyboard(page);
   await assertRichTexts(page, ['abc']);
 
   await type(page, 'aa');
@@ -132,11 +134,12 @@ test(scoped`split block when paste`, async ({ page }) => {
   if (!bottomRight789) {
     throw new Error('bottomRight789 is not found');
   }
-  await dragBetweenCoords(page, topLeft123, bottomRight789);
+  await selectAllByKeyboard(page);
+  await pressArrowRight(page);
+  await pressEnter(page);
 
-  // FIXME see https://github.com/toeverything/blocksuite/pull/878
-  // await pasteContent(page, clipData);
-  // await assertRichTexts(page, ['aaa', 'bbc', 'text', 'h1']);
+  await pasteContent(page, clipData);
+  await assertRichTexts(page, ['aaa', 'bbc', 'text', 'h1']);
 });
 
 test(scoped`copy clipItems format`, async ({ page }) => {

tests/blocksuite/e2e/clipboard/list.spec.ts

@@ -481,6 +481,7 @@ test(scoped`copy when text note active in edgeless`, async ({ page }) => {
 
   await activeNoteInEdgeless(page, ids.noteId);
   await waitForInlineEditorStateUpdated(page);
+  await focusRichText(page);
   await setInlineRangeInSelectedRichText(page, 0, 4);
   await copyByKeyboard(page);
   await pressArrowRight(page);