Pass the claim invited_by_email in case it was not in db

src/api/core/organizations.rs

@@ -1328,7 +1328,7 @@ async fn accept_invite(
 
     // skip invitation logic when we were invited via the /admin panel
     if **member_id != FAKE_ADMIN_UUID {
-        let Some(member) = Membership::find_by_uuid_and_org(member_id, &claims.org_id, &mut conn).await else {
+        let Some(mut member) = Membership::find_by_uuid_and_org(member_id, &claims.org_id, &mut conn).await else {
             err!("Error accepting the invitation")
         };
 
@@ -1338,6 +1338,9 @@ async fn accept_invite(
             false => None,
         };
 
+        // In case the user was invited before the mail was saved in db.
+        member.invited_by_email = member.invited_by_email.or(claims.invited_by_email);
+
         accept_org_invite(&headers.user, member, reset_password_key, &mut conn).await?;
     } else if CONFIG.mail_enabled() {
         // User was invited from /admin, so they are automatically confirmed