refactor(i18n): lazy load languages (#8456)

closes AF-1397

tests/affine-local/e2e/settings.spec.ts

@@ -34,6 +34,10 @@ test('change language using keyboard', async ({ page }) => {
   await page.keyboard.press('ArrowDown', {
     delay: 50,
   });
+  // incase the current language is the top one
+  await page.keyboard.press('ArrowDown', {
+    delay: 50,
+  });
   await page.keyboard.press('Enter', {
     delay: 50,
   });