Fix undefined reference to aron enums (triggered in armem_skills)

source/RobotAPI/libraries/aron/core/codegenerator/codeWriter/cpp/serializer/toplevel/IntEnumClass.cpp

@@ -59,7 +59,7 @@ namespace armarx::aron::cppserializer::serializer
         for (const auto& [key, value] : typenavigator->getAcceptedValueMap())
         {
             std::string enumKeyWithNamespace = std::string(IMPL_ENUM) + "::" + key;
-            fields.push_back(std::make_shared<CppField>("const static " + std::string(IMPL_ENUM), key + " = " + enumKeyWithNamespace));
+            fields.push_back(std::make_shared<CppField>("static constexpr " + std::string(IMPL_ENUM), key + " = " + enumKeyWithNamespace));
 
             enum_to_name << "\t\t{" << enumKeyWithNamespace << ", \"" << key << "\"}," << std::endl;
             name_to_enum << "\t\t{\"" << key << "\", " << enumKeyWithNamespace << "}," << std::endl;

source/RobotAPI/libraries/aron/core/codegenerator/codeWriter/cpp/serializer/toplevel/IntEnumClass.h

@@ -66,6 +66,6 @@ namespace armarx::aron::cppserializer::serializer
     private:
         // Members
         static const std::map<std::string, std::pair<std::string, int>> ACCEPTED_TYPES;
-        static constexpr const char* IMPL_ENUM = "__ImplEnum";
+        static constexpr const char* IMPL_ENUM = "ImplEnum";
     };
 }