Add get_active_memberships() method to User model that filters out
soft-deleted memberships and memberships of deleted organizations.
Update all usages of organization_memberships to use this method,
ensuring consistent handling of soft-deleted records across the
codebase. Also add deleted_at filters to CA queries in SSH helpers.
Refractor Codes into sub file/folders
Admin can remove users'/members mfa/2fa, unlink account from oauth provider
Admin can add/reset password
Different Email (OIDC + Manual)-Same Account; (Block Linking and authorize if available)