Fix a problem where an unviewable initial asset would throw off the indent_loop

size by 1.  In the nav templates, this would generate bad closing markup.

docs/changelog/7.x.x.txt

@@ -21,6 +21,7 @@
  - refixed #9147: Misspellings in Account
  - fixed #9348: Required Upgrade Step Not Documented - 7.6.0
  - fixed #8993: Gallery Image Details Overlap Image
+ - fixed #9380: CoolMenus template - invalid markup affecting page layouts
 
 7.6.7
  - fixed #9263: Thingy possibleValues processing, and List type autodetection.

lib/WebGUI/Asset/Wobject/Navigation.pm

@@ -405,10 +405,6 @@ sub view {
 	my $previousPageData = undef;
 	my $eh = $self->session->errorHandler;
 	foreach my $asset (@{$assets}) {
-        # Set absoluteDepthOfFirstPage
-        if ( !defined $absoluteDepthOfFirstPage ) {
-            $absoluteDepthOfFirstPage   = $asset->getLineageLength;
-        }
 
 		# skip pages we shouldn't see
 		my $pageLineage = $asset->get("lineage");
@@ -426,6 +422,13 @@ sub view {
 			$lineageToSkip = $pageLineage unless ($pageLineage eq "000001");
 			next;
 		}
+
+        # Set absoluteDepthOfFirstPage after we have determined if the first page is viewable!
+        # Otherwise, the indent loop calculation below will be off by 1 (or more)
+        if ( !defined $absoluteDepthOfFirstPage ) {
+            $absoluteDepthOfFirstPage   = $asset->getLineageLength;
+        }
+
 		my $pageData = {};
         my $pageProperties = $asset->get;
         while (my ($property, $propertyValue) = each %{ $pageProperties }) {