Fixed a bug in the Layout where it didnot inherit the layout template of its parent

docs/changelog/7.x.x.txt

@@ -6,6 +6,8 @@
  - fix: Add event does not work WebGUI 7.0.5 in combination with Proxy Caching
    turned off (Wouter van Oijen / ProcoliX)   
  - When going to an image by it's webgui url in admin mode, you are now shown the image instead of being taken to the edit screen for the image.
+ - fixed a bug in the Layout Asset where the asset would not inherit the
+   Layout template of its parent on addition (Martin Kamerbeek / Procolix)
 
 7.0.6
  - fix: Error in DateTime.pm

lib/WebGUI/Asset/Wobject/Layout.pm

@@ -97,8 +97,15 @@ sub getEditForm {
 	my $self = shift;
 	my $tabform = $self->SUPER::getEditForm();
 	my $i18n = WebGUI::International->new($self->session,"Asset_Layout");
+
+	my ($templateId);
+	if (($self->get("assetId") eq "new") && ($self->getParent->get('className') eq 'WebGUI::Asset::Wobject::Layout')) {
+		$templateId = $self->getParent->getValue('templateId');
+	} else {
+		$templateId = $self->getValue('templateId');
+	}
    	$tabform->getTab("display")->template(
-      		-value=>$self->getValue('templateId'),
+      		-value=>$templateId,
       		-label=>$i18n->get('layout template title'),
       		-hoverHelp=>$i18n->get('template description'),
       		-namespace=>"Layout"