Add a function to skip immediately to the end of a playing camera path

include/openspace/navigation/pathnavigator.h

@@ -72,6 +72,7 @@ public:
     void abortPath();
     void pausePath();
     void continuePath();
+    void skipToEnd();
 
     Path::Type defaultPathType() const;
     double minValidBoundingSphere() const;
@@ -99,6 +100,8 @@ private:
     bool _isPlaying = false;
     bool _startSimulationTimeOnFinish = false;
 
+    bool _setCameraToEndNextFrame = false;
+
     properties::OptionProperty _defaultPathType;
     properties::BoolProperty _includeRoll;
     properties::FloatProperty _speedScale;