Merge branch 'rte-task-list-parsing' into 'master'

Fix [ ] in plain text editor incorrectly expanded to * [ ] in RTE

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/136627



Merged-by: Himanshu Kapoor <info@fleon.org>
Approved-by: Himanshu Kapoor <info@fleon.org>
Co-authored-by: Manav Agarwal <dpsman13016@gmail.com>