Add missing route to Roadm UI

Change-Id: Iece3e2212e0a227efbc0b015f3826ca3e86b77f8
diff --git a/web/gui2/src/main/webapp/app/onos-routing.module.ts b/web/gui2/src/main/webapp/app/onos-routing.module.ts
index 3ea2cba..f5d9258 100644
--- a/web/gui2/src/main/webapp/app/onos-routing.module.ts
+++ b/web/gui2/src/main/webapp/app/onos-routing.module.ts
@@ -108,7 +108,7 @@
     },
     <Route>{
         path: 'roadm-gui',
-        pathMatch: 'full',
+        pathMatch: 'prefix',
         loadChildren: () => import('../../../../../../apps/roadm/web/roadm-gui/lib/roadm-gui-lib.module').then(m => m.RoadmGuiLibModule)
     },
     <Route>{