Merge branch 'user-preferences-settings-section-migration-pt2' into 'master'

User preferences: Migrate components to shared SettingsSection

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/172968



Merged-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Approved-by: Grace Lin <glin@gitlab.com>
Approved-by: Annabel Dunstone Gray <annabel.dunstone@gmail.com>
Approved-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Co-authored-by: Sascha Eggenberger <seggenberger@gitlab.com>