Some errors (#595)

lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Issuer/OpenIDConnect.pm

@@ -156,7 +156,7 @@ sub run {
 "Override $_ OIDC param by value present in request parameter"
                     );
                     $oidc_request->{$_} = $request->{$_};
-                    $self->p->setHiddenFormValue( $_, $request->{$_}, '' );
+                    $self->p->setHiddenFormValue( $req, $_, $request->{$_}, '' );
                 }
             }
 
@@ -790,7 +790,7 @@ qq'<h3 trspan="oidcConsent,$display_name">The application $display_name would li
                 if ( $oidc_request->{$param} = $req->param($param) ) {
                     $self->logger->debug( "OIDC request parameter $param: "
                           . $oidc_request->{$param} );
-                    $self->p->setHiddenFormValue( $param,
+                    $self->p->setHiddenFormValue( $req, $param,
                         $oidc_request->{$param}, '' );
                 }
             }

lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Main/Run.pm

@@ -571,7 +571,7 @@ sub setHiddenFormValue {
     $base64 = 1           unless defined $base64;
 
     # Store value
-    if ( defined $val ) {
+    if ( $val or !($val & ~$val) ) {
         $key = $prefix . $key;
         $val =~ s/\+/%2B/g;
         $req->{portalHiddenFormValues}->{$key} = $val;