Support E2E stress tests in run_tests.js (#29682)

* [skip ci] Adapt run_tests.js for stress testing
* [skip ci] Make channel_read_after_permalink_spec.js retry-able
* [skip ci] Fix ui_commands.ts fix
* [skip ci] Improve postMessageAndWait
* [skip ci] Fix unread_on_public_channel_spec.js
* [skip ci] Demote unread_on_public_channel_spec.js
* Update e2e-tests/README.md

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

* [skip ci] Fix mesage_reply_bot_post_spec.js

---------

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

e2e-tests/.ci/.e2erc

@@ -100,6 +100,7 @@ case "${TEST:-$TEST_DEFAULT}" in
   playwright )
     export TEST_FILTER_DEFAULT='tests/functional/system_console/system_users/actions.spec.ts --project=chrome' ;;
   * )
+    export TEST_FILTER_DEFAULT='' ;;
 esac
 # OS specific defaults overrides
 case $MME2E_OSTYPE in

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

@@ -62,6 +62,7 @@ services:
       MM_SERVICEENVIRONMENT: "test"
       MM_FEATUREFLAGS_MOVETHREADSENABLED: "true"
       MM_LOGSETTINGS_ENABLEDIAGNOSTICS: "false"
+      MM_LOGSETTINGS_CONSOLELEVEL: "DEBUG"
     network_mode: host
     depends_on:
 $(for service in $ENABLED_DOCKER_SERVICES; do