Fix topo2 details panel title icon ("glyphId" property, not "type").

Change-Id: Ib32a2bb81866d4a9b0e55ee7f2535deee726a68d
diff --git a/web/gui/src/main/webapp/app/view/topo2/topo2DeviceDetailsPanel.js b/web/gui/src/main/webapp/app/view/topo2/topo2DeviceDetailsPanel.js
index 4ee1205..0fd33a7 100644
--- a/web/gui/src/main/webapp/app/view/topo2/topo2DeviceDetailsPanel.js
+++ b/web/gui/src/main/webapp/app/view/topo2/topo2DeviceDetailsPanel.js
@@ -118,7 +118,7 @@
             table = detailsPanel.appendToBody('table'),
             tbody = table.append('tbody');
 
-        gs.addGlyph(svg, (data.type || 'unknown'), 26);
+        gs.addGlyph(svg, (data.glyphId || 'm_unknown'), 26);
         title.text(data.title);
 
         // TODO: add navigation hot-link if defined