NPAL19051: Notification of python module about changing active view, view cloning view and closing view is provided
1) Desktop's signal windowActivated() is connectedto the slot onActiveViewChanged() during the module activation.
2) All necessary signals of all opened views are connected to the corresponding slots of the SALOME_PYQT_Module class.
3) These slots perform corresponding calls of the Python GUI module functions, passing view ID as parameter.
4) Desktop's signal windowActivated() is disconnected from the slot onActiveViewChanged() during the module deactivation.
