navigator: remotegui as optional

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

@@ -191,7 +191,7 @@ namespace armarx::navigation::components::navigator
         // memoryIntrospector = server::MemoryIntrospector(resultsWriterPlugin->get(), );
 
 
-        navRemoteGui = std::make_unique<navigator::RemoteGui>(remoteGui, *this);
+        navRemoteGui.emplace(remoteGui, *this);
         navRemoteGui->enable();
 
         initialized = true;

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

@@ -176,9 +176,7 @@ namespace armarx::navigation::components::navigator
 
         std::mutex propertiesMutex;
 
-        // TODO maybe as optional, but requires some effort
-        std::unique_ptr<armarx::navigation::components::navigator::RemoteGui> navRemoteGui;
-
+        std::optional<armarx::navigation::components::navigator::RemoteGui> navRemoteGui;
 
         // unique_ptr to avoid dangling refs
         std::vector<std::unique_ptr<server::MemoryIntrospector>> memoryIntrospectors;