Also remove screenImages in scripting function core.clear()

Author: gzotti

src/scripting/StelMainScriptAPI.cpp

@@ -22,6 +22,7 @@
 #include "StelMainScriptAPIProxy.hpp"
 #include "StelScriptMgr.hpp"
 #include "StelLocaleMgr.hpp"
+#include "ScreenImageMgr.hpp"
 
 #include "ConstellationMgr.hpp"
 #include "AsterismMgr.hpp"
@@ -1207,11 +1208,10 @@ void StelMainScriptAPI::clear(const QString& state)
 		StelMovementMgr* movmgr = GETSTELMODULE(StelMovementMgr);
 		ZodiacalLight* zl = GETSTELMODULE(ZodiacalLight);
 		StelPropertyMgr* propMgr = StelApp::getInstance().getStelPropertyManager();
-		LabelMgr* lMgr = GETSTELMODULE(LabelMgr);
-		StelSkyLayerMgr* siMgr = GETSTELMODULE(StelSkyLayerMgr);
 
-		lMgr->deleteAllLabels();
-		siMgr->removeSkyLayer("*");
+		GETSTELMODULE(LabelMgr)->deleteAllLabels();
+		GETSTELMODULE(StelSkyLayerMgr)->removeSkyLayer("*");
+		GETSTELMODULE(ScreenImageMgr)->deleteAllImages();
 
 		// Hide artificial satellites through StelProperties to avoid crash if plugin was not loaded
 		propMgr->setStelPropertyValue("Satellites.flagHintsVisible",   false, true);