Add laser scanner features to teb planning

This contains the move of the LaserScannerFeatureExtraction into navigation (!72 (merged)).

Implement merging of the features from individual sensors into one list while removing duplicates. Add the features to the dynamic scene and use them as teb obstacles.

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

@@ -272,6 +272,8 @@ namespace armarx::navigation::components::navigator
             executorPtr = &executor.value();
         }
 
+        // if we emplace an existing key it is not replaced, so remove it first.
+        navigators.erase(callerId);
         navigators.emplace(
             std::piecewise_construct,
             std::forward_as_tuple(callerId),