add save and commit to file pile

docs/changelog/7.x.x.txt

@@ -5,6 +5,7 @@
  - fix: Captcha unreadable when using Image::Magick
  - fix: WebGUI::Group->new doesn't check group validity
  - add form element template variables for event user defined fields
+ - fix: File Pile doesn't have save and commit button
 
 7.4.7
  - fix: misspelled i18n in webgui password recovery

lib/WebGUI/Asset/FilePile.pm

@@ -49,6 +49,12 @@ These methods are available from this class:
 sub edit {
 	my $self = shift;
 	my $tabform = WebGUI::TabForm->new($self->session,);
+	if ($self->session->config->get("enableSaveAndCommit")) {
+		$tabform->submitAppend(WebGUI::Form::submit($self->session, {
+            name    => "saveAndCommit", 
+            value   => WebGUI::International->new($self->session, 'Asset')->get("save and commit"),
+            }));
+	}
 	my $i18n = WebGUI::International->new($self->session, 'Asset_FilePile');
 	$tabform->hidden({
 		name=>"func",