Chore: Parallelize e2e tests (#26390)

.github/workflows/build_and_test.yml

apps/meteor/.gitignore

apps/meteor/playwright.config.ts

apps/meteor/tests/e2e/02-register.spec.ts

apps/meteor/tests/e2e/03-login.spec.ts

apps/meteor/tests/e2e/05-channel-creation.spec.ts

apps/meteor/tests/e2e/06-messaging.spec.ts

apps/meteor/tests/e2e/07-emoji.spec.ts

apps/meteor/tests/e2e/09-channel.spec.ts

apps/meteor/tests/e2e/10-user-preferences.spec.ts

apps/meteor/tests/e2e/11-admin.spec.ts

apps/meteor/tests/e2e/12-settings.spec.ts

apps/meteor/tests/e2e/13-permissions.spec.ts

apps/meteor/tests/e2e/14-setting-permissions.spec.ts

apps/meteor/tests/e2e/15-message-popup.spec.ts

apps/meteor/tests/e2e/16-discussion.spec.ts

apps/meteor/tests/e2e/README.md

apps/meteor/tests/e2e/administration.spec.ts

apps/meteor/tests/e2e/channel-management.spec.ts

apps/meteor/tests/e2e/config/constants.ts