Fix visualization, fix human obstacles

Make visualization of LocalPlanner a ScopedClient so the layers are removed automatically when the navigator is stopped.

Fix proxemic zone generation and visualization of proxemic zones.

source/armarx/navigation/components/navigator/Component.cpp

@@ -258,7 +258,7 @@ namespace armarx::navigation::components::navigator
             fac::NavigationStackFactory::create(stackConfig, sceneProvider->scene());
 
         // set visualization of LocalPlanner
-        stack.localPlanner->setVisualization(&getArvizClient());
+        stack.localPlanner->setVisualization(getArvizClient());
 
         memoryIntrospectors.emplace_back(
             std::make_unique<server::MemoryIntrospector>(resultsWriterPlugin->get(), callerId));