Invenio-userprofiles

- breaking change: remove breadcrumbs usage
- global: migrate to (api) finalize_app
(remove deprecation for `before_first_request`)

- email: case-insensitive comparison of user email

- settings profile: Update buttons with labeled styling and a11y fixes
- alembic: fix recipe based on latest sqlalchemy-continuum
- pull translations

- fix styling for locale preferences field

- add locale to user profile preferences

- remove deprecated flask_babelex imports
- install invenio_i18n explicitly