Optional
loadUser only: try core's one-call startup (profile + the org's settings, WP-48) first, and fall back to the old my-profile call when it is not available (e.g. prod before Phase 4). Off by default.
loadUser only: try core's one-call startup (profile + the org's settings, WP-48) first, and fall back to the old my-profile call when it is not available (e.g. prod before Phase 4). Off by default.