Implemented Instance View of Topo in GUI2

Change-Id: If603481e729ebc19a6f91db2739f1b422cc762d0
diff --git a/web/gui2-fw-lib/projects/gui2-fw-lib/src/lib/nav/nav.service.ts b/web/gui2-fw-lib/projects/gui2-fw-lib/src/lib/nav/nav.service.ts
index 6e96309..337b104 100644
--- a/web/gui2-fw-lib/projects/gui2-fw-lib/src/lib/nav/nav.service.ts
+++ b/web/gui2-fw-lib/projects/gui2-fw-lib/src/lib/nav/nav.service.ts
@@ -73,7 +73,9 @@
                 if (uiView.cat === 'PLATFORM') {
                     this.uiPlatformViews.push(uiView);
                 } else if (uiView.cat === 'NETWORK') {
-                    this.uiNetworkViews.push(uiView);
+                    if ( uiView.id !== 'topo') {
+                        this.uiNetworkViews.push(uiView);
+                    }
                 } else if (uiView.cat === 'HIDDEN') {
                     this.uiHiddenViews.push(uiView);
                 } else {