Include activated_at in SCIM export profile load

LoadExistingByIDs scanned into MembershipProfile without
activated_at/deactivated_at after the profile-state split, so
SCIM_EVENT CSV exports failed collecting rows by ID.

Signed-off-by: Cursor Agent <cursoragent@cursor.com>

Co-authored-by: Bryan FRIMIN <bryan@frimin.fr>

pkg/coredata/membership_profile.go

@@ -535,6 +535,8 @@ SELECT
     p.enterprise_organization,
     p.division,
     p.manager_value,
+    p.activated_at,
+    p.deactivated_at,
     p.created_at,
     p.updated_at
 FROM