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>

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

e2e-tests/.ci/server.generate.sh

@@ -224,6 +224,7 @@ $(if mme2e_is_token_in_list "playwright" "$ENABLED_DOCKER_SERVICES"; then
       - "./.env.playwright"
     environment:
       CI: "true"
+      PLAYWRIGHT_SKIP_BROWSER_GC: 1
       PW_BASE_URL: http://localhost:8065
       PW_ADMIN_USERNAME: sysadmin
       PW_ADMIN_PASSWORD: Sys@dmin-sample1