Part: Add deprecation warning for import/export

src/Gui/Application.cpp

@@ -155,6 +155,7 @@ using namespace Gui::DockWnd;
 using namespace std;
 namespace sp = std::placeholders;
 
+FC_LOG_LEVEL_INIT("Gui")
 
 Application* Application::Instance = nullptr;
 
@@ -892,6 +893,10 @@ void Application::exportTo(const char* FileName, const char* DocName, const char
     string unicodepath = Base::Tools::escapedUnicodeFromUtf8(File.filePath().c_str());
     unicodepath = Base::Tools::escapeEncodeFilename(unicodepath);
 
+    if (strcmp(Module, "Part") == 0) {
+        FC_WARN("Exporting with 'Part' is deprecated, use 'ImportGui' instead");
+    }
+
     if (Module) {
         try {
             std::vector<App::DocumentObject*> sel =