* fix(dashboard): redirect students on app domain to org LMS
When a student logs in on app.classroomio.com, send them to their org
tenant domain with a full page reload instead of staying on /lms at the
app host. Org sites and self-hosted installs keep the existing behavior.
Students who explicitly open /onboarding while already belonging to an
org are no longer redirected away, so they can still create their own
academy with the same email.
Co-authored-by: Rotimi Best <rotimi-best@users.noreply.github.com>
* refactor(dashboard): use getOrgPublicUrl instead of duplicate helper
Main added getOrgPublicOrigin for tenant URLs; extend it with
getOrgPublicUrl for path-based redirects and drop the parallel
getOrgSiteUrl helper from org utils.
Co-authored-by: Rotimi Best <rotimi-best@users.noreply.github.com>
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