Merge branch 'sh-default-web-ide-modal' into 'master'

Disable Web IDE feature flag in tests by default

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/106757



Merged-by: Enrique Alcántara <ealcantara@gitlab.com>
Approved-by: Enrique Alcántara <ealcantara@gitlab.com>
Co-authored-by: Stan Hu <stanhu@gmail.com>