[all] Fix warning according to #3889 (#382)

* Fix warning according to #3889

* fix warnings in PythonEnv: strcmp, hidden overload

Author: hugtalbot

Plugin/src/SofaPython3/PythonEnvironment.cpp

@@ -289,7 +289,7 @@ void PythonEnvironment::Init()
     for( const auto& elem : map)
     {
         Plugin p = elem.second;
-        if ( p.getModuleName() == sofa_tostring(SOFA_TARGET) )
+        if ( strcmp(p.getModuleName(), sofa_tostring(SOFA_TARGET)) == 0 )
         {
             pluginLibraryPath = elem.first;
         }

Plugin/src/SofaPython3/PythonEnvironment.h

@@ -119,6 +119,7 @@ class SOFAPYTHON3_API PythonEnvironment
     /// to be able to react when a scene is loaded
     struct SceneLoaderListerner : public SceneLoader::Listener
     {
+        using SceneLoader::Listener::rightBeforeLoadingScene;
         /// possibly unload python modules to force importing their eventual modifications
         virtual void rightBeforeLoadingScene();
         static SceneLoaderListerner* getInstance() {

bindings/Sofa/src/SofaPython3/Sofa/Simulation/Submodule_Simulation.cpp

@@ -56,9 +56,6 @@ PYBIND11_MODULE(Simulation, simulation)
     sofa::simulation::core::init();
     sofa::simulation::graph::init();
 
-    if(!sofa::simulation::getSimulation())
-        sofa::simulation::setSimulation(new DAGSimulation());
-
     simulation.doc() =sofapython3::doc::simulation::Class;
 
     simulation.def("print", [](Node* n){ sofa::simulation::node::print(n); }, sofapython3::doc::simulation::print);