Updated OpenID UX (#3050)

- Display ENV variables set in configuration
- Removed Password empty placeholders
- Added notification to re-enter password when modifying OpenID configuration

Signed-off-by: Benjamin Perez <benjamin@bexsoft.net>

restapi/admin_idp.go

@@ -198,6 +198,7 @@ func getIDPConfiguration(ctx context.Context, idpType, name string, client Minio
 	if err != nil {
 		return nil, err
 	}
+
 	return &models.IdpServerConfiguration{
 		Name: config.Name,
 		Type: config.Type,