feat(electron): multi tabs support (#7440)

use https://www.electronjs.org/docs/latest/api/web-contents-view to serve different tab views
added tabs view manager in electron to handle multi-view actions and events.

fix AF-1111
fix AF-999
fix PD-1459
fix AF-964
PD-1458

tests/affine-desktop/playwright.config.ts

@@ -16,6 +16,7 @@ import type { PlaywrightTestConfig } from '@playwright/test';
 const config: PlaywrightTestConfig = {
   testDir: './e2e',
   fullyParallel: true,
+  workers: 2,
   timeout: process.env.CI ? 50_000 : 30_000,
   outputDir: testResultDir,
   use: {