CLD-8395 Integrate playwright into E2E tests (#28492)

* Finalize Playwright E2E scripts integration, add videos
* Add suggestion by Saturn

Co-authored-by: Saturnino Abril <5334504+saturninoabril@users.noreply.github.com>

---------

Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: Saturnino Abril <5334504+saturninoabril@users.noreply.github.com>

.gitignore

@@ -39,6 +39,7 @@ e2e-tests/playwright/node_modules
 e2e-tests/playwright/playwright-report
 e2e-tests/playwright/storage_state
 e2e-tests/playwright/test-results
+e2e-tests/playwright/results
 e2e-tests/playwright/tests/**/*-darwin.png
 e2e-tests/playwright/tests/**/*-window.png
 e2e-tests/playwright/tests/accessibility/**/*-snapshots
@@ -155,4 +156,4 @@ docker-compose.override.yaml
 
 ## Notice Folders
 .notice/
-.notice-work/
+.notice-work/