armem_robot_state: updates

Changes:

• RobotReader: implemented getRobotJointState
• VirtualRobotReader: synchronizing robot when new one is requested
• new class VirtualRobotHelper that provides additional information e.g RobotInfoNode that is not part of the VirtualRobot::Robot data structure

source/RobotAPI/components/ArViz/Client/ScopedClient.cpp

@@ -34,7 +34,7 @@ namespace armarx::viz
         return Client::layer(name);
     }
 
-    virtual ScopedClient::~ScopedClient()
+    ScopedClient::~ScopedClient()
     {
         for (const auto& layer : layers)
         {
@@ -42,4 +42,4 @@ namespace armarx::viz
         }
     }
 
-}  // namespace armarx::viz
\ No newline at end of file
+}  // namespace armarx::viz