FlightTaskManual/Orbit: make sure we are not required stick input data during orbit

src/lib/FlightTasks/tasks/FlightTaskManual.cpp

@@ -90,7 +90,14 @@ bool FlightTaskManual::initializeSubscriptions(SubscriptionArray &subscription_a
 
 bool FlightTaskManual::updateInitialize()
 {
-	return FlightTask::updateInitialize() && _evaluateSticks();
+	bool ret = FlightTask::updateInitialize();
+	const bool sticks_available = _evaluateSticks();
+
+	if (_sticks_data_required) {
+		ret = ret && sticks_available;
+	}
+
+	return ret;
 }
 
 bool FlightTaskManual::update()

src/lib/FlightTasks/tasks/FlightTaskManual.hpp

@@ -63,6 +63,7 @@ public:
 protected:
 	matrix::Vector<float, 4> _sticks;
 	bool _evaluateSticks();
+	bool _sticks_data_required = true; /**< let sibling task define if it depends on stick data */
 
 	float get_input_frame_yaw() { return _yaw; }
 

src/lib/FlightTasks/tasks/FlightTaskOrbit.cpp

@@ -47,7 +47,9 @@ using namespace matrix;
 
 FlightTaskOrbit::FlightTaskOrbit(control::SuperBlock *parent, const char *name) :
 	FlightTaskManual(parent, name)
-{}
+{
+	_sticks_data_required = false;
+}
 
 bool FlightTaskOrbit::activate()
 {