ProjectManager: Update project list placeholder when project created or imported.

Author: larspet

editor/project_manager.cpp

@@ -715,9 +715,12 @@ void ProjectManager::_on_project_created(const String &dir, bool edit) {
 	project_list->add_project(dir, false);
 	project_list->save_config();
 	search_box->clear();
+
 	int i = project_list->refresh_project(dir);
 	project_list->select_project(i);
 	project_list->ensure_project_visible(i);
+	_update_project_buttons();
+	_update_list_placeholder();
 
 	if (edit) {
 		_open_selected_projects_ask();